algebra 1
posted by sydney .
Tell whether the lines for each pair of equations are parallel, perpendicular, or neither.
y=4x+3
and
2x+8y=5
A. parallel
B. perpendicular
C. neither
I think parallel?

Perpendicular.
If you solve the system of equations, x= 19/34 and y= 13/17. The solution is their point of intersection. If there was no solution, they would be parallel. 
Thank you!

two lines can intersect without being perpendicular ... like an X
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