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ck12.org Algebra 1 Examples by khanacademy
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  1. ▶ Variable Expressions by khanacademy
  2. 2 Order of Operations Example by khanacademy
  3. 3 Patterns and Equations by khanacademy
  4. 4 Equations and Inequalities by khanacademy
  5. 5 Domain and Range of a Function by khanacademy
  6. 6 Functions as Graphs by khanacademy
  7. 7 Word Problem Solving Plan 1 by khanacademy
  8. 8 Word Problem Solving Strategies by khanacademy
  9. 9 Integers and Rational Numbers by khanacademy
  10. 10 Addition of Rational Numbers by khanacademy
  11. 11 Subraction of Rational Numbers by khanacademy
  12. 12 Multiplication of Rational Numbers by khanacademy
  13. 13 Distributive Property Example 1 by khanacademy
  14. 14 Division of Rational Numbers by khanacademy
  15. 15 Square Roots and Real Numbers by khanacademy
  16. 16 Problem Solving Word Problems 2 by khanacademy
  17. 17 One Step Equations by khanacademy
  18. 18 Two-Step Equations by khanacademy
  19. 19 Multi-Step Equations by khanacademy
  20. 20 Equations with Variables on Both Sides by khanacademy
  21. 21 Ratio and Proportion by khanacademy
  22. 22 Scale and Indirect Measurement by khanacademy
  23. 23 Percent Problems by khanacademy
  24. 24 Word Problem Solving 3 by khanacademy
  25. 25 The Coordinate Plane by khanacademy
  26. 26 Graphing Using Intercepts by khanacademy
  27. 27 Graphs of Linear Equations by khanacademy
  28. 28 Slope and Rate of Change by khanacademy
  29. 29 Graphs Using Slope-Intercept Form by khanacademy
  30. 30 Direct Variation Models by khanacademy
  31. 31 Linear Function Graphs by khanacademy
  32. 32 Word Problem Solving 4 by khanacademy
  33. 33 Linear Equations in Slope Intercept Form by khanacademy
  34. 34 Linear Equations in Point Slope Form by khanacademy
  35. 35 Linear Equations in Standard Form by khanacademy
  36. 36 Equations of Parallel and Perpendicular Lines by khanacademy
  37. 37 Fitting a Line to Data by khanacademy
  38. 38 Predicting with Linear Models by khanacademy
  39. 39 Using a Linear Model by khanacademy
  40. 40 Inequalities Using Addition and Subtraction by khanacademy
  41. 41 Inequalities Using Multiplication and Division by khanacademy
  42. 42 Multi-Step Inequalities by khanacademy
  43. 43 Compound Inequalities by khanacademy
  44. 44 Absolute Value Equations by khanacademy
  45. 45 Absolute Value Inequalities by khanacademy
  46. 46 Graphing Inequalities by khanacademy
  47. 47 Solving Linear Systems by Graphing by khanacademy
  48. 48 Solving Linear Systems by Substitution by khanacademy
  49. 49 Solving Systems of Equations by Elimination by khanacademy
  50. 50 Solving Systems of Equations by Multiplication by khanacademy
  51. 51 Special Types of Linear Systems by khanacademy
  52. 52 Systems of Linear Inequalities by khanacademy
  53. 53 Exponent Properties Involving Products by khanacademy
  54. 54 Exponent Properties Involving Quotients by khanacademy
  55. 55 Zero, Negative, and Fractional Exponents by khanacademy
  56. 56 Scientific Notation by khanacademy
  57. 57 Exponential Growth Functions by khanacademy
  58. 58 Exponential Decay Functions by khanacademy
  59. 59 Geometric Sequences (Introduction) by khanacademy
  60. 60 Word Problem Solving- Exponential Growth and Decay by khanacademy
  61. 61 Addition and Subtraction of Polynomials by khanacademy
  62. 62 Multiplication of Polynomials by khanacademy
  63. 63 Special Products of Binomials by khanacademy
  64. 64 Polynomial Equations in Factored Form by khanacademy
  65. 65 Factoring Quadratic Expressions by khanacademy
  66. 66 Factoring Special Products by khanacademy
  67. 67 Factor by Grouping and Factoring Completely by khanacademy
  68. 68 Graphs of Quadratic Functions by khanacademy
  69. 69 Solving Quadratic Equations by Graphing by khanacademy
  70. 70 Solving Quadratic Equations by Square Roots by khanacademy
  71. 71 Solving Quadratic Equations by Completing the S... by khanacademy
  72. 72 Using the Quadratic Formula by khanacademy
  73. 73 Proof of Quadratic Formula by khanacademy
  74. 74 Discriminant of Quadratic Equations by khanacademy
  75. 75 Linear, Quadratic, and Exponential Models by khanacademy
  76. 76 Identifying Quadratic Models by khanacademy
  77. 77 Identifying Exponential Models by khanacademy
  78. 78 Quadratic Regression by khanacademy
  79. 79 Graphs of Square Root Functions by khanacademy
  80. 80 Radical Expressions with Higher Roots by khanacademy
  81. 81 More Simplifying Radical Expressions by khanacademy
  82. 82 How to Rationalize a Denominator by khanacademy
  83. 83 Extraneous Solutions to Radical Equations by khanacademy
  84. 84 Radical Equation Examples by khanacademy
  85. 85 More Involved Radical Equation Example by khanacademy
  86. 86 Pythagorean Theorem by khanacademy
  87. 87 Distance Formula by khanacademy
  88. 88 Midpoint Formula by khanacademy
  89. 89 Visual Pythagorean Theorem Proof by khanacademy
  90. 90 Average or Central Tendency: Arithmetic Mean, M... by khanacademy
  91. 91 Range, Variance and Standard Deviation as Measu... by khanacademy
  92. 92 Stem and Leaf Plots by khanacademy
  93. 93 Histograms by khanacademy
  94. 94 Box-and-whisker Plot by khanacademy
  95. 95 Proportionality by khanacademy
  96. 96 Asymptotes of Rational Functions by khanacademy
  97. 97 Another Rational Function Graph Example by khanacademy
  98. 98 A Third Example of Graphing a Rational Function by khanacademy
  99. 99 Polynomial Division by khanacademy
  100. 100 Simplifying Rational Expressions Introduction by khanacademy
  101. 101 Multiplying and Dividing Rational Expressions by khanacademy
  102. 102 Adding Rational Expressions Example 1 by khanacademy
  103. 103 Adding Rational Expressions Example 2 by khanacademy
  104. 104 Adding Rational Expressions Example 3 by khanacademy
  105. 105 Solving Rational Equations by khanacademy
  106. 106 Two more examples of solving rational equations by khanacademy
  107. 107 Surveys and Samples by khanacademy
 

Variable Expressions

khanacademy khanacademy·3,571 videos
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Uploaded on Apr 1, 2010

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

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All Comments (10)

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  • TKO593

    TKO593 3 months ago

    10 is correct

    ·

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  • TKO593

    TKO593 3 months ago

    2(-4)=8 not -8 negXneg=pos

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  • larmisdor

    larmisdor 6 months ago

    #10 is correct

    ·

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    in reply to tink4beck (Show the comment)
  • mitchell00ification

    mitchell00ification 1 year ago

    Very clear explanation about Variable Expressions. I really found this video worthy to learn variable expressions. Thanks.

    ·

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    in playlist ck12.org Algebra 1 Examples
  • tink4beck

    tink4beck 1 year ago

    you did it wrong number 10

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  • sonicthehedgehog1081

    sonicthehedgehog1081 1 year ago

    thx i needed this :)

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  • paulceltics

    paulceltics 2 years ago

    thanks

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  • Clitorisaurus

    Clitorisaurus 3 years ago

    Holy shit, you're a fucking genius

    ·

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