If L is a line perpendicular to the line y + 4x= 5 and passes through the point (2,4), what is the x intercept of L?
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Step-by-step explanation:
L perpendicular to the line y + 4x = 5, then its slope is - 1 / -4 = 1 / 4.
the equation of L with slope 1 / 4 and passing through (2 , 4) is
y = (x + 14)/4.
the x-intercept of L is (- 14 , 0).
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