Question

Write an equation in slope-intercept form of the line with slope of -2 that contains (3, -7)

Answer 1

Slope-intercept form:
\[y = mx + b\]
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Using point-slope form
(y-y1)=m(x-x1)
x1=3
y1=-7
m=-2
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(y-y1)=m(x-x1)
y-(-7)=-2(x-3)
y+7 = -2x + 6
y = -2x + 6 - 7
y = -2x - 1