Question

Which pair of lines is parallel? A. y=-2x+4 and y=2x-1 B. y=1/2x-1 and y=1/2x+10 C. y=x+3 and y=-2x+3 D. y=3x+5 and y=1/3+2

Answer 1

Parallel lines have the same slope.

The answer is choice B.

Why?

Both equations share the same slope which is 1/2.

See it?

Answer 2

Your answer is B- y=1/2x-1 and y=1/2x+10
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