Multiple Choice
For the following pair of equations, predict whether they represent parallel lines, perpendicular lines, or lines that intersect but are not perpendicular. 8.4 x + 8.1 y = 8.7 and 8.1 x - 8.4 y = 2.1
A) parallel lines
B) lines that intersect but are not perpendicular
C) perpendicular lines
Correct Answer:

Verified
Correct Answer:
Verified
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