Write an equation for the line parallel to y=-7x+15 that contains P(9, -6)

Question

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Answer 1

slope = -7, as does any parallel line m=-7

use the point slope formula

y-h=m(x-k) where m=-7 and (k,h) = (9,-6)

y+6 = -7(x-9)

y+6 =-7x +63

7x + y = 57