For the Following Pair of Equations, Predict Whether They Represent

Multiple Choice

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