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Perpendicular to y=1/2x-1, x intercept at 4
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Perpendicular to y=1/2x-1, x intercept at 4

User Viktor Elofsson
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y=-2x+8 is the correct y-int equation
User Steve Scheffler
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8.0k points
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The slope of y = (1/2)x - 1 : m = 1/2
Perpendicular line has the slope m' = -1/m = -2.

x intercept at 4 means new line passes through (4,0)
y - 0 = -2(x - 4)
y = -2x + 8
User Andrew Sledge
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7.4k points
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