Are two lines parallel?
Parallel lines have the same slope and different y-intercepts. Write yes or no.
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Are the lines y = −3x + 4 and y = −3x − 4 parallel? Write yes or no.
Answer: yes
Are the lines y = x + 9 and y = x + 6 parallel? Write yes or no.
Answer: yes
Are the lines y = −2x − 8 and y = −2x + 9 parallel? Write yes or no.
Answer: yes
Tip: Parallel lines have the same slope and different y-intercepts. Write yes or no.
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