SOLUTION: tell whether the lines for each equation is parallel prependicular or niether y=-1/2x-11 16x-8y=-8

Question 249110: tell whether the lines for each equation is parallel prependicular or niether
y=-1/2x-11
16x-8y=-8
Answer by unlockmath(1688) (Show Source): You can put this solution on YOUR website!
Hello,
First, let's set these equations up like this:
y=-1/2x-11
y=2x+4
Notice that these now show the slope of the line with -1/2x and 2x.
Since these are the reciprocal of each other and one is negative, the lines are perpendicular to each other.
RJ Toftness
www.math-unlock.com
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