The y-intercept of L is y=3x–4 is (0,-4)
the slope of L is 3
so the slope of H is -1/3
equation of H:
y + 4 = (-1/3)x
y = (-1/3)x - 4
The equation of line L is y=3x–4 and is perpendicular to line H. They cross each other at the y-intercept of line L. Find the equation of line H.
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