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Hillary Roberts
Mathematics
26 November, 12:48
Through (4,-4); perpendicular to 6y=x-12
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Gator
26 November, 12:51
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y = mx + b
m = slope and b = y-intercept
We can arrange 6y = x - 12 in the form of y = mx + b
6y = x - 12
y = 1/6 (x) - 2
Slope of y = 1/6 (x) - 2 is 1/6. Taking the negative reciprocal of the slope we get the slope for the perpendicular line.
Negative reciprocal of 1/6 is - 6.
The equation for the perpendicular line is
y = - 6x + b
To find b we can plug in the x and y values of (4,-4) into it since it passes through those coordinates
-4 = - 6 (4) + b
b = - 4 + 6 (4)
b = - 4 + 24
b = 20
So the equation for the perpendicular line is y = - 6x + 20
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