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OpenStudy (anonymous):
Determine the equation of the line passing through (2, 7) and perpendicular to −8x−7y=−65 .
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OpenStudy (amistre64):
perp lines have the same setup you just flip the coeffs for x and y and change negate the operation
OpenStudy (amistre64):
−8x−7y= −65 ; -65 i useless, toss it out -8x -7y = n ; now flip the coeefs -7x -8y = n ; now negate the operation -7x + 8y = n ; now just insert your point to find the right value for "n"
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