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ck12.org Algebra 1 Examples

  • 107 videos
likes, 0 dislikes

Select problems from ck12.org's Algebra 1 FlexBook (Open Source Textbook). This is a good playlist to review if you want to make sure you have a good understanding of all of the major topics in Algebra I.

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    Variable Expressions

    by khanacademy 99,293 views

    Learn more: http://www.khanacademy.org/video?v=aoXUWSwiDzE

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    Order of Operations Example

    by khanacademy 179,652 views

    Learn more: http://www.khanacademy.org/video?v=3Po3nfITsok
    ck12 example

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    Patterns and Equations

    by khanacademy 34,166 views

    Learn more: http://www.khanacademy.org/video?v=rUT0pa87m7E

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    Equations and Inequalities

    by khanacademy 73,020 views

    Learn more: http://www.khanacademy.org/video?v=hJ-_OoCHTks

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    Domain and Range of a Function

    by khanacademy 186,969 views

    Learn more: http://www.khanacademy.org/video?v=O0uUVH8dRiU

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    Functions as Graphs

    by khanacademy 74,560 views

    Learn more: http://www.khanacademy.org/video?v=jQ-fS2lsslU

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    Word Problem Solving Plan 1

    by khanacademy 51,412 views

    Learn more: http://www.khanacademy.org/video?v=Xz6rT9k8ftg

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    Word Problem Solving Strategies

    by khanacademy 34,158 views

    Learn more: http://www.khanacademy.org/video?v=SpDIXJ2I2D4

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    Integers and Rational Numbers

    by khanacademy 59,277 views

    Learn more: http://www.khanacademy.org/video?v=kyu-IQ-gBIg

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    Addition of Rational Numbers

    by khanacademy 26,987 views

    Learn more: http://www.khanacademy.org/video?v=BKEtsv9MbyY

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    Subraction of Rational Numbers

    by khanacademy 11,987 views

    Learn more: http://www.khanacademy.org/video?v=lLIo4kGRBEw

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    Multiplication of Rational Numbers

    by khanacademy 16,313 views

    Learn more: http://www.khanacademy.org/video?v=lBi9bwz08EY

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    Distributive Property Example 1

    by khanacademy 96,166 views

    Learn more: http://www.khanacademy.org/video?v=ewEorPD4kdA
    ck12 Distributive Property example

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    Division of Rational Numbers

    by khanacademy 17,052 views

    Learn more: http://www.khanacademy.org/video?v=I0b5-7UuwQ8

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    Square Roots and Real Numbers

    by khanacademy 116,495 views

    Learn more: http://www.khanacademy.org/video?v=BpBh8gvMifs

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    Problem Solving Word Problems 2

    by khanacademy 36,810 views

    Learn more: http://www.khanacademy.org/video?v=s1QN7sSfBM8

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    One Step Equations

    by khanacademy 159,796 views

    Learn more: http://www.khanacademy.org/video?v=9DxrF6Ttws4
    One Step Equations

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    Two-Step Equations

    by khanacademy 145,884 views

    Learn more: http://www.khanacademy.org/video?v=tuVd355R-OQ
    Two-Step Equations

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    Multi-Step Equations

    by khanacademy 111,437 views

    Learn more: http://www.khanacademy.org/video?v=a5uNoOnEy_A
    Multi-Step Equations

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    20

    Equations with Variables on Both Sides

    by khanacademy 108,045 views

    Learn more: http://www.khanacademy.org/video?v=xMsG9hvqzbY
    Equations with Variables on Both Sides

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    Ratio and Proportion

    by khanacademy 132,640 views

    Learn more: http://www.khanacademy.org/video?v=WfqgFBGet7s
    Ratio and Proportion

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    Scale and Indirect Measurement

    by khanacademy 18,106 views

    Learn more: http://www.khanacademy.org/video?v=GfNB14D55gQ

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    Percent Problems

    by khanacademy 112,550 views

    Learn more: http://www.khanacademy.org/video?v=1LtBcfk1uHg
    Percent Problems from Chapter 3 of ck12.org Algebra I textbook

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    Word Problem Solving 3

    by khanacademy 57,697 views

    Learn more: http://www.khanacademy.org/video?v=LRKMoqrMbGw
    Word problem solving strategies from chapter 3 of ck12.org Algebra I book

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    The Coordinate Plane

    by khanacademy 104,213 views

    Learn more: http://www.khanacademy.org/video?v=VhNkWdLGpmA

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    Graphing Using Intercepts

    by khanacademy 41,805 views

    Learn more: http://www.khanacademy.org/video?v=6zixwWZ88tk

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    Graphs of Linear Equations

    by khanacademy 87,916 views

    Learn more: http://www.khanacademy.org/video?v=rgvysb9emcQ

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    Slope and Rate of Change

    by khanacademy 93,407 views

    Learn more: http://www.khanacademy.org/video?v=Iqws-qzyZwc

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    Graphs Using Slope-Intercept Form

    by khanacademy 77,207 views

    Learn more: http://www.khanacademy.org/video?v=9wOalujeZf4

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    Direct Variation Models

    by khanacademy 34,598 views

    Learn more: http://www.khanacademy.org/video?v=9M-B5qU7ezY
    Direct Variation Models

  31. Thumbnail 11:49
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    Linear Function Graphs

    by khanacademy 77,527 views

    Learn more: http://www.khanacademy.org/video?v=EmTvdKkAUtE
    Linear Function Graphs

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    Word Problem Solving 4

    by khanacademy 29,741 views

    Learn more: http://www.khanacademy.org/video?v=5EdbPz1ZVn0
    Word Problem Solving 4

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    Linear Equations in Slope Intercept Form

    by khanacademy 149,297 views

    Learn more: http://www.khanacademy.org/video?v=5fkh01mClLU
    Linear Equations in Slope Intercept Form

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    Linear Equations in Point Slope Form

    by khanacademy 105,853 views

    Learn more: http://www.khanacademy.org/video?v=zqCokP2vDGo
    Linear Equations in Point Slope Form

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    Linear Equations in Standard Form

    by khanacademy 110,016 views

    Learn more: http://www.khanacademy.org/video?v=BaQXFstxCMo
    Linear Equations in Standard Form

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    Equations of Parallel and Perpendicular Lines

    by khanacademy 85,710 views

    Learn more: http://www.khanacademy.org/video?v=9hryH94KFJA
    Equations of Parallel and Perpendicular Lines

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    Fitting a Line to Data

    by khanacademy 23,304 views

    Learn more: http://www.khanacademy.org/video?v=OhUkMQtBGmE
    Fitting a Line to Data

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    Predicting with Linear Models

    by khanacademy 10,883 views

    Learn more: http://www.khanacademy.org/video?v=aVDiAGZmcPo
    Predicting with Linear Models

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    Using a Linear Model

    by khanacademy 10,179 views

    Learn more: http://www.khanacademy.org/video?v=Gjv25aOuD00
    Using a Linear Model

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    Inequalities Using Addition and Subtraction

    by khanacademy 63,873 views

    Learn more: http://www.khanacademy.org/video?v=UTs4uZhu5t8
    Inequalities Using Addition and Subtraction

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    Inequalities Using Multiplication and Division

    by khanacademy 59,965 views

    Learn more: http://www.khanacademy.org/video?v=PNXozoJWsWc
    Inequalities Using Multiplication and Division

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    Multi-Step Inequalities

    by khanacademy 76,046 views

    Learn more: http://www.khanacademy.org/video?v=xOxvyeSl0uA
    Compound Inequalities

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    Compound Inequalities

    by khanacademy 85,437 views

    Learn more: http://www.khanacademy.org/video?v=A3xPhzs-KBI
    Compound Inequalities

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    Absolute Value Equations

    by khanacademy 125,975 views

    Learn more: http://www.khanacademy.org/video?v=u6zDpUL5RkU
    Absolute Value Equations

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    Absolute Value Inequalities

    by khanacademy 127,716 views

    Learn more: http://www.khanacademy.org/video?v=iI_2Piwn_og
    Absolute Value Inequalities

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    Graphing Inequalities

    by khanacademy 101,237 views

    Learn more: http://www.khanacademy.org/video?v=unSBFwK881s
    Graphing Inequalities

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    Solving Linear Systems by Graphing

    by khanacademy 63,549 views

    Learn more: http://www.khanacademy.org/video?v=5a6zpfl50go
    Solving Linear Systems by Graphing

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    Solving Linear Systems by Substitution

    by khanacademy 85,564 views

    Learn more: http://www.khanacademy.org/video?v=V7H1oUHXPkg
    Solving Linear Systems by Substitution

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    Solving Systems of Equations by Elimination

    by khanacademy 90,568 views

    Learn more: http://www.khanacademy.org/video?v=vA-55wZtLeE
    Solving Systems of Equations by Elimination

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    Solving Systems of Equations by Multiplication

    by khanacademy 44,435 views

    Learn more: http://www.khanacademy.org/video?v=wYrxKGt_bLg
    Solving Systems of Equations by Multiplication

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    Special Types of Linear Systems

    by khanacademy 23,971 views

    Learn more: http://www.khanacademy.org/video?v=5qkyuHIE2GM
    Special Types of Linear Systems

  52. Thumbnail 8:52
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    Systems of Linear Inequalities

    by khanacademy 23,312 views

    Learn more: http://www.khanacademy.org/video?v=5xQqwgS3O4U
    Systems of Linear Inequalities

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    Exponent Properties Involving Products

    by khanacademy 42,136 views

    Learn more: http://www.khanacademy.org/video?v=zM_p7tfWvLU
    Exponent Properties Involving Products

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    Exponent Properties Involving Quotients

    by khanacademy 44,222 views

    Learn more: http://www.khanacademy.org/video?v=AR1uqNbjM5s
    Exponent Properties Involving Quotients

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    Zero, Negative, and Fractional Exponents

    by khanacademy 132,895 views

    Learn more: http://www.khanacademy.org/video?v=tOuCdKqO6-s
    Zero, Negative, and Fractional Exponents

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    Scientific Notation

    by khanacademy 73,097 views

    Learn more: http://www.khanacademy.org/video?v=i6lfVUp5RW8
    Scientific Notation

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    Exponential Growth Functions

    by khanacademy 85,964 views

    Learn more: http://www.khanacademy.org/video?v=6WMZ7J0wwMI
    Exponential Growth Functions

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    Exponential Decay Functions

    by khanacademy 33,138 views

    Learn more: http://www.khanacademy.org/video?v=AXAMVxaxjDg
    Exponential Decay Functions

  59. Thumbnail 10:45
    59

    Geometric Sequences (Introduction)

    by khanacademy 70,429 views

    Learn more: http://www.khanacademy.org/video?v=pXo0bG4iAyg
    Geometric Sequences (Introduction)

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    Word Problem Solving- Exponential Growth and Decay

    by khanacademy 65,700 views

    Learn more: http://www.khanacademy.org/video?v=m5Tf6vgoJtQ
    Word Problem Solving- Exponential Growth and Decay

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    Addition and Subtraction of Polynomials

    by khanacademy 113,380 views

    Learn more: http://www.khanacademy.org/video?v=ZgFXL6SEUiI
    Addition and Subtraction of Polynomials

  62. Thumbnail 9:49
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    Multiplication of Polynomials

    by khanacademy 54,517 views

    Learn more: http://www.khanacademy.org/video?v=fGThIRpWEE4
    Multiplication of Polynomials

  63. Thumbnail 10:36
    63

    Special Products of Binomials

    by khanacademy 46,731 views

    Learn more: http://www.khanacademy.org/video?v=bFtjG45-Udk
    Special Products of Binomials

  64. Thumbnail 9:29
    64

    Polynomial Equations in Factored Form

    by khanacademy 51,404 views

    Learn more: http://www.khanacademy.org/video?v=zxz0WNVnF38
    Polynomial Equations in Factored Form

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    Factoring Quadratic Expressions

    by khanacademy 364,095 views

    Learn more: http://www.khanacademy.org/video?v=eF6zYNzlZKQ
    Factoring Quadratic Expressions

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    Factoring Special Products

    by khanacademy 67,151 views

    Learn more: http://www.khanacademy.org/video?v=BI_jmI4xRus
    Factoring Special Products

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    Factor by Grouping and Factoring Completely

    by khanacademy 133,259 views

    Learn more: http://www.khanacademy.org/video?v=X7B_tH4O-_s
    Factor by Grouping and Factoring Completely

  68. Thumbnail 16:05
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    Graphs of Quadratic Functions

    by khanacademy 103,133 views

    Learn more: http://www.khanacademy.org/video?v=RjkTEyO5Zso
    Graphs of Quadratic Functions

  69. Thumbnail 10:51
    69

    Solving Quadratic Equations by Graphing

    by khanacademy 31,186 views

    Learn more: http://www.khanacademy.org/video?v=JHUju_Qkqbg
    Solving Quadratic Equations by Graphing

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    Solving Quadratic Equations by Square Roots

    by khanacademy 95,938 views

    Learn more: http://www.khanacademy.org/video?v=55G8037gsKY
    Solving Quadratic Equations by Square Roots

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    Solving Quadratic Equations by Completing the Square

    by khanacademy 85,855 views

    Learn more: http://www.khanacademy.org/video?v=bNQY0z76M5A
    Solving Quadratic Equations by Completing the Square

  72. Thumbnail 16:32
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    Using the Quadratic Formula

    by khanacademy 83,947 views

    Learn more: http://www.khanacademy.org/video?v=i7idZfS8t8w
    Using the Quadratic Formula

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    Proof of Quadratic Formula

    by khanacademy 30,847 views

    Learn more: http://www.khanacademy.org/video?v=r3SEkdtpobo
    Proof of Quadratic Formula

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    Discriminant of Quadratic Equations

    by khanacademy 44,379 views

    Learn more: http://www.khanacademy.org/video?v=JBSDQLZtjFo
    Discriminant of Quadratic Equations

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    Linear, Quadratic, and Exponential Models

    by khanacademy 17,880 views

    Learn more: http://www.khanacademy.org/video?v=CxEFOozrMSE
    Linear, Quadratic, and Exponential Models

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    Identifying Quadratic Models

    by khanacademy 9,107 views

    Learn more: http://www.khanacademy.org/video?v=o1npPDCq-4M
    Using y=x^2 to give a sense of why the change in the change of y (or the change in the slope) is constant

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    Identifying Exponential Models

    by khanacademy 7,676 views

    Learn more: http://www.khanacademy.org/video?v=s8PKFcrrbNQ
    Identifying Exponential Models

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    Quadratic Regression

    by khanacademy 16,162 views

    Learn more: http://www.khanacademy.org/video?v=z_hEVWSkQHo
    Using a calculator to perform a quadratic regression

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    Graphs of Square Root Functions

    by khanacademy 35,885 views

    Learn more: http://www.khanacademy.org/video?v=outcfkh69U0
    Graphs of Square Root Functions

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    Radical Expressions with Higher Roots

    by khanacademy 57,336 views

    Learn more: http://www.khanacademy.org/video?v=iX7ivCww2ws
    Radical Expressions with Higher Roots

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    More Simplifying Radical Expressions

    by khanacademy 80,354 views

    Learn more: http://www.khanacademy.org/video?v=VWlFMfPVmkU
    More Simplifying Radical Expressions

  82. Thumbnail 10:18
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    How to Rationalize a Denominator

    by khanacademy 91,251 views

    Learn more: http://www.khanacademy.org/video?v=gY5TvlHg4Vk
    How to Rationalize a Denominator

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    Extraneous Solutions to Radical Equations

    by khanacademy 35,971 views

    Learn more: http://www.khanacademy.org/video?v=711pdW8TbbY
    Extraneous Solutions to Radical Equations

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    Radical Equation Examples

    by khanacademy 13,470 views

    Learn more: http://www.khanacademy.org/video?v=dKuk8PybYs4
    Radical Equation Examples

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    More Involved Radical Equation Example

    by khanacademy 7,754 views

    Learn more: http://www.khanacademy.org/video?v=5pqzmUxOw_E
    More Involved Radical Equation Example

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    Pythagorean Theorem

    by khanacademy 66,128 views

    Learn more: http://www.khanacademy.org/video?v=AEIzy1kNRqo
    Pythagorean Theorem

  87. Thumbnail 9:39
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    Distance Formula

    by khanacademy 113,952 views

    Learn more: http://www.khanacademy.org/video?v=nyZuite17Pc
    How to find the distance between lines using the Pythagorean Formula

  88. Thumbnail 6:41
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    Midpoint Formula

    by khanacademy 82,611 views

    Learn more: http://www.khanacademy.org/video?v=Ez_-RwV9WVo
    Midpoint Formula

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    Visual Pythagorean Theorem Proof

    by khanacademy 21,340 views

    Learn more: http://www.khanacademy.org/video?v=r382kfkqAF4
    Visual Pythagorean Theorem Proof - some basic geometry required

  90. Thumbnail 9:01
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    Average or Central Tendency: Arithmetic Mean, Median, and Mode

    by khanacademy 81,466 views

    Learn more: http://www.khanacademy.org/video?v=GrynkZB3E7M
    Average or Central Tendency: Arithmetic Mean, Median, and Mode

  91. Thumbnail 12:34
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    Range, Variance and Standard Deviation as Measures of Dispersion

    by khanacademy 62,669 views

    Learn more: http://www.khanacademy.org/video?v=E4HAYd0QnRc
    Range, Variance and Standard Deviation as Measures of Dispersion

  92. Thumbnail 6:45
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    Stem and Leaf Plots

    by khanacademy 52,518 views

    Learn more: http://www.khanacademy.org/video?v=OaJXJduRiIE
    Stem and Leaf Plots

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    Histograms

    by khanacademy 59,680 views

    Learn more: http://www.khanacademy.org/video?v=4eLJGG2Ad30
    Histograms

  94. Thumbnail 13:14
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    Box-and-whisker Plot

    by khanacademy 55,487 views

    Learn more: http://www.khanacademy.org/video?v=BXq5TFLvsVw
    Box-and-whisker Plot

  95. Thumbnail 17:03
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    Proportionality

    by khanacademy 13,043 views

    Learn more: http://www.khanacademy.org/video?v=AQFZuih2odo
    Proportionality

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    Asymptotes of Rational Functions

    by khanacademy 128,841 views

    Learn more: http://www.khanacademy.org/video?v=2N62v_63SBo
    Asymptotes of Rational Functions

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    Another Rational Function Graph Example

    by khanacademy 44,312 views

    Learn more: http://www.khanacademy.org/video?v=ReEMqdZEEX0
    Another Rational Function Graph Example

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    A Third Example of Graphing a Rational Function

    by khanacademy 28,502 views

    Learn more: http://www.khanacademy.org/video?v=p7ycTWq6BFk
    A Third Example of Graphing a Rational Function

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    Polynomial Division

    by khanacademy 141,109 views

    Learn more: http://www.khanacademy.org/video?v=FXgV9ySNusc
    Polynomial Division

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    Simplifying Rational Expressions Introduction

    by khanacademy 116,018 views

    Learn more: http://www.khanacademy.org/video?v=7Uos1ED3KHI
    Simplifying Rational Expressions

  101. Thumbnail 9:19
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    Multiplying and Dividing Rational Expressions

    by khanacademy 41,437 views

    Learn more: http://www.khanacademy.org/video?v=x_5hDLe8UL0
    Multiplying and Dividing Rational Expressions

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    Adding Rational Expressions Example 1

    by khanacademy 31,210 views

    Learn more: http://www.khanacademy.org/video?v=nWEso_M7By4
    Adding Rational Expressions Example 1

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    Adding Rational Expressions Example 2

    by khanacademy 19,683 views

    Learn more: http://www.khanacademy.org/video?v=euyg3SwS2lU
    Adding Rational Expressions Example 2

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    Adding Rational Expressions Example 3

    by khanacademy 13,936 views

    Learn more: http://www.khanacademy.org/video?v=4VO-BgDgAHE
    Adding Rational Expressions Example 3

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    Solving Rational Equations

    by khanacademy 43,566 views

    Learn more: http://www.khanacademy.org/video?v=6eqgIZyXgK8
    Solving Rational Equations

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    Two more examples of solving rational equations

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