Homework Help: math

Posted by caylan on Sunday, January 6, 2013 at 6:33pm.

Find the equation of a line that is perpendicular to the line y=1/8x+5 and contains the points (-7,0)
y=

please show work

math - Damon, Sunday, January 6, 2013 at 6:40pm
slope m = - 1/(1/8) = -8
y = m x + b
0 = -8(-7) + b
- 56 = b
so
y = -8 x - 56

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