Asked by Cy

Write the equation of the line perpendicular to 2x+8y=16 passing through (4,-2) in slope intercept form.
Answered by oobleck
y+2 = 4(x-4)
now rearrange to the right form
Answered by henry2,
m1 = -A/B = -2/8 = -1/4
m2 = -(-4) = 4
Y = m2x+b
-2 = 4*4+b
b = -18
Y = 4x-18.

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