Which is a linear equation?

Question

0

648

2

a. y = -5/x

b. y = 2 - 5x²

c. y = 2 - 5x

d. y = -5x²

Guest Jul 18, 2016

Guest · Answer 1 · 2016-07-19T06:09:27

i think it's c. y = 2 - 5x

MaxWong · Answer 2 · 2016-07-19T06:14:02

C.

For A, y = -5/x, the x is in the denominator of the fraction. so it's not a linear equation.

For B, y = 2 - 5x², that's obviously a quadratic equation.

For D, y = -5x², that's obviously a quadratic equation.