Question

1. Which equation represents a linear function?

a. 3y + x2 + x = 0
b. 4x + 2(y – 1) = 0
c. y = 12vx – 5
d. 2x3 + y = 9

Answer 1

b.

Explanation:

4x + 2(y – 1) = 0

The variables are all of unit degree so it is linear.