SOLUTION: Decide whether the lines of the equations
y= 2x-1 and y= -2x+1 are perpendicular.
Algebra.Com
Question 446853: Decide whether the lines of the equations
y= 2x-1 and y= -2x+1 are perpendicular.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
m1*m2=-1 if they are perpendicular
m1= -2, m2 = 2
m1*m2= -4
so they are not perpendicular
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