Quadratic and Direct Variation

Answer the following questions, to recieve full credit you MUST show all work.

1. What are the roots of the equation x^2 - 5x = -4?

a. -4 and - 5
b. -1 and - 4
c. 4 and 5
d. 1 and 4


2. If y is tripled, what happens to x?

x = y / 2


a. x stays the same
b. x is decreased by 3
c. x is decreased by 1\3
d. x is tripled