Question

1) Given y = x + 7:

a) Provide an equation of a parallel line
b) Provide an equation of a perpendicular line
c) Explain how you know if two lines are parallel or perpendicular based on
their equations.

Answer 1

a) y = x + 2
b) y = -x + 7
c) Parallel lines have the same slope (1), perpendicular lines have an opposite slope/reciprocal (-1)