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Mathematics 12 Online
OpenStudy (pixiedust1):

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OpenStudy (anonymous):

You want to find the slope. so\[\frac{ 5-(-1) }{ -1-3 }\]

OpenStudy (anonymous):

Yep. You can simplify that to 3/-2

OpenStudy (anonymous):

Haha. Now to find the y intercept. you use point slope form. y – y1 = m(x – x1)

OpenStudy (phi):

yes, slope is -3/ 2 pick one of the points , say (3,-1) and use in y = m x + b you know y (-1), x (3) and m (-3/2) solve for b

OpenStudy (phi):

yes, now you know m and b, and can write the slope-intercept form of the equation btw, only one of the choices is in the correct form so you could pick that choice. (without actually knowing the equation)

OpenStudy (phi):

yw

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