Which line is parallel to the line y = \frac{1}{5}x -1?

A. y = - \frac{1}{5}x -1

B. y = \frac{1}{5}x + 3

C. y = 5x + 1

D. y = -5x -4

Which line is perpendicular to the line y = \frac{3}{2}x -1?

A. y = \frac{2}{3}x + 1

B. y = - \frac{2}{3}x +4

C. y = \frac{3}{2}x -3

D. y = -\frac{3}{2}x -1

a) What are the x and y intercepts of the line 3x - y = 6?

b) Graph the line.

Find an equation for a line with slope of \frac{2}{3} that passes through the point `$(4, -1)$.

Find an equation for a line passing through the point (-3, -4) and (6, 8).

Find an equation for a line that is perpendicular to 2x - 3y + 6= 0 and has the same x-intercept as 3x + 7y + 9 =0.

A video rental company has two monthly plans:

• Plan A: \$40 for unlimited rentals

• Plan B: \displaystyle \$ 10 plus \displaystyle \$ 3 per video

a) Graph this linear system and find the solution.

b) Explain the conditions under which each plan is better.