gk183172 gk183172

07-02-2020
Mathematics

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((7,-1) and (21,-5) what is the equation in slope intercept form?

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Yang100 Yang100

08-02-2020

Answer:

y=-2/7x+1

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-5-(-1))/(21-7)

m=(-5+1)/14

m=-4/14

simplify

m=-2/7

y-y1=m(x-x1)

y-(-1)=-2/7(x-7)

y+1=-2/7(x-7)

y=-2/7x+2-1

y=-2/7x+1

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