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Arte-miy333 [17]
3 years ago
14

Which equation is a point-slope form of the equation of this line (-2, 1 ) and (1, 7 )

Mathematics
1 answer:
lana [24]3 years ago
6 0

The point-slope formula:

y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}

We have (-2, 1) and (1, 7).

Substitute:

m=\dfrac{7-1}{1-(-2)}=\dfrac{6}{3}=2

y-1=2(x-(-2))\\\\y-1=2(x+2)

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