SOLUTION: What equation is perpendicular to 2y=8x + 7 and How?

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Question 830216: What equation is perpendicular to 2y=8x + 7 and How?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!

2y=8x + 7
/2
y= 4x+ 7/2
compare with equation y = mx + b
m = slope = 4
a perpendicular line will have a slope which is equal to the negative reciprocal of 4
=-1/4
so the equation will be y = (-1/4)x + b where b is any constant