Question 1013235
slope m = (-1 -9) / (1 - (-4)) = -2
y = -2x + b
-1 = -2 + b
b = 1
y = -2x + 1, therefore
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point slope form is
(y-(-1)) = -2(x-1)
y+1 = -2(x-1)
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slope intercept form
y = -2x + 1
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