SOLUTION: I'm don't understanding how to solve this question: The graph of a line passes through the x-intercept of y-20=2/11(x-31) and is perpendicular to the line y=1/7x+7 . The equati

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Question 957503: I'm don't understanding how to solve this question:
The graph of a line passes through the x-intercept of y-20=2/11(x-31) and is perpendicular to the line y=1/7x+7 . The equation of the line, written in Slope-Point form, is y-p = m(x-q). what is the value of m*q ?

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
First find the x-intercept of

So solve for when



So the x-intercept is (-79,0).
.
.
.
Perpendicular lines have slopes that are negative reciprocals.


So then using the point-slope form,






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