For the following pair of equations, predict whether they represent parallel lines, perpendicular lines, or lines that intersect but are not perpendicular. 5.4 x + 2.4 y = 6.4 and 2.4 x - 5.4 y = 1.4
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 = -5.4/2.4 and m2 = 2.4/5.4), which means the lines are perpendicular.

For the Following Pair of Equations, Predict Whether They Represent