### Home > AC > Chapter 8 > Lesson 8.3.3 > Problem 8-121

8-121.

Two lines are perpendicular if their slopes are negative reciprocals.

Put each equation, including the one in the problem, into slope intercept form.

Solve for *y*.

2*x* − 5*y* = 3

−5*y* = −2*x* = 3

Solve for *y*.

Solve for *y*.

Solve for *y*.

Solve for *y*.

Correct!