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EustieMadoriho EustieMadoriho
  • 26-11-2016
  • Mathematics
Answered

Which two lines are parallel?

5y=2x-5

5y=-4+3x

5y-3x=-1

1 and 2

2and3

None of the lines are parallel

1and 3

Verified Answer :

alsteva alsteva
  • 29-11-2016

Correct answer is B.

Parallel lines have equal slopes.

\(5y=2x-5 \Rightarrow y= \frac{2}{5} x-1 \Rightarrow m=\frac{2}{5} \\ \\5y=-4+3x \Rightarrow y= \frac{3}{5}x- \frac{4}{5} \Rightarrow m= \frac{3}{5} \\ \\5y-3x=-1 \Rightarrow 5y=3x-1 \Rightarrow y=\frac{3}{5}x- \frac{1}{5} \Rightarrow m= \frac{3}{5}\)

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