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Which of the following lines is not parallel to the graph of y = 3x +9? A. 3x - y = 10 B. y - 3x = 11 C. 3y - x = 10 D. 6x -2y = 10
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3 votes
Which of the following lines is not parallel to the graph of y = 3x +9?

A. 3x - y = 10

B. y - 3x = 11

C. 3y - x = 10

D. 6x -2y = 10

User JaredMcAteer
by
8.7k points

2 Answers

4 votes
C is the only one that is not parallel.
User Memical
by
8.8k points
3 votes
C is not parallel because when you solve all of those for y (putting them into slope-intercept form) they all have a slope of 3 except for C which has a slope of 1/3.
User Csaba Toth
by
8.2k points
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