decide whether the graphs of the two equations are parallel lines.

a. y=3x+2, y=1/3x+4

b. 3y=15x+4, y=5x+1

2 answers

in a), is the coefficent of x the same in each equation?

in b), put the first equation into the form y= mx+b. Then, is m=5 as in the second equation?
y=3x+2, y=1/3x+4
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