For the following pair of equations, predict whether they represent parallel lines, perpendicular lines, or lines that intersect but are not perpendicular. 6.7 x + 7.7 y = 4.6 and 7.7 x - 6.7 y = 9.2
A)parallel lines
B)lines that intersect but are not perpendicular
C)perpendicular lines

Question

Quizplus · Accepted Answer

The slopes of the lines are negative reciprocals of each other (m1 = -A/B and m2 = B/A for the given equations), indicating that the lines are perpendicular.

For the Following Pair of Equations, Predict Whether They Represent