Did I do 8 and 9 correctly
Solve for
M
Dir
Y- intercept
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8)
looks good, so the equation in slope-intercept form is
y = 2x + 0
m = 2, y-intercept is +0 or namely (0,0)
9)
if we multiply by -1 at -y = -4x + 4, we'd get y = 4x - 4.
m = 4, y-intercept at -4, namely (0, -4).