Question

Which is an example of a linear equation?

A. (x, y)

B. 2 + 7 = 9

C. 3x + 5 = 20

D. y = 2x + 1

Answer 1

Explanation:

A. (x, y) is not an equation.

B. 2 + 7 = 9 Not a linear equation, as there is no variable.

C. 3x + 5 = 20 This is a linear equation.

D. y = 2x + 1 This is a linear equation.