M=-9 (4,8)

Question

Is the answear 9x-27

Answer 1

Well,
If the Slope (M) = -9 and the point is (4,8). The Equation of the line is:

y - y1 = m(x - x1)

So it becomes:

y - 8 = -9(x-4)
y - 8 = -9x + 36
y = -9x + 36 + 8

y = -9x + 44 is the equation of the line [written in the form y = mx + c].

Ok, hope that helps!

Answer 2

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