Robert J. answered • 11/15/12

Certified High School AP Calculus and Physics Teacher

1. Parallel because both lines have the same slope of -1 but different y-intercepts (45 and 10).

2. Coincident because the second equation can be converted to y + x = 25, which is the same as the first equation.

Michael B.

Nice answer.

11/15/12

Tracy K.

Thank you11/15/12