8. Which of the following linear function has an increasing value of y as x increases ?
a. y=-3x - 4
b. y=x-5
c. y = -x + 6
d. y=-3x
9. What is the equivalent equation of 2x + 3y = 13 ?
a. 4x + 6y
b. 2x + 6y = 26
c. 4x + 6y = 24
d. 2x + 6y = 23
10. What is the slope of a linear function f(x) = 31+5)?
a. 2.
b. 3
c. 4
d. 5​