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Equation of a Line in point-slope form - (part 1 of 3) : Given two points (5,7), (6,8)

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Uploaded by on Apr 6, 2011

A http://www.door2math.com production.
Write a equation in point-slope form for the line through the given points or through the given point with the given slope."

This is question 1: (5,7), (6,8)

Question 2: (-2,3); m=-1

Question 3: (1,2); m undefined
Question 4: (1,2); m is zero.
Question 5: (1,2) and is perpendicular to line 10y+5x=7

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  • So im just setting in class and we have the lunch lady as a sub and this point slope form work sheet to do and of course she has no idea how to do it. So I pulled out my lap top and I searched and search for an explanation on how to do this and lets just say I think this video saved me butt in my algebra class! thanks!!!!!!!!!!

  • I don't understand this at all.

  • you are doing slope-intercept form not point slope form, point slope form is  y-y1=m(x-x1)

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