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21. Is the line through points P(–7, 2) and Q(7, –6) parallel to the line through points R(–1, –5) and S(–3, –1)? Explain. (1 point) No; one line has zero slope, the other has no slope. Yes; the lines are both vertical. Yes; the lines have equal slopes. No; the lines have unequal slopes.

Mathematics
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Hint: Use graph paper
-4/14
and 4/-2

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Other answers:

No, the line has unequal slopes right?
I'm pretty sure one of those slopes are wrong
shot okay ill retry
-8/14 and 4/-2
That looks about right
ok so hold on
Their slopes are unequal
its D

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