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Look at equations below find a pair of equations whose lines are perpendicular

Look at equations below find a pair of equations whose lines are perpendicular-example-1
User Yfsx
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Answer:

first one

Explanation:

These line equations are all of the form y = mx + b where m is the slope

if m = slope perpindicular m = - 1/m

The only one that fits this description is the first one

slope = 1/5 perpindicular = - 1/(1/5) = -5

User Pajics
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