Question

Problem 2) What must be true for two lines to be parallel?(1 point)
Responses

The slopes of the lines must be the same
The slopes of the lines must be the same

The slopes of the lines must be opposite reciprocals
The slopes of the lines must be opposite reciprocals

The lines must share the same y-intercept
The lines must share the same y-intercept

The lines must be vertical

Answer 1

The slopes of the lines must be the same. (If they also have different y‑intercepts, they are distinct parallel lines.)