Question

PLS HELP! Which one of these equations represents a quadratic function?

Oy= 3x + 2
Oy=3x³ + 2
O y = 3x
Oy=3x² + 2

Answer 1

y = 3x² + 2

Step-by-step explanation:

A quadratic function must have square above x

Quadratic Function:

ax² + bx + c

For example:

• y = 2x² + x + 19

• y = x² - 10

• y = -3 + x²