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Expert: Lynn Houston - 10/19/2009
Question
determine the slope intercept form of the linear equation if passes through (7,2) and is perpendicular to the line (a)x=7 and (b)y=6
Answer
a) x=7 is a vertical line which has no slope. to be perpendicular, the line must be a horizontal line. you're told the line passes through 7,2, therefore, you eq is y=2.
b) similar answer for this one. y=6 is a horizontal line, so line perpendicular to that has to be vertical and passing through x = 7
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