Quadratic Identifying ABC

Is this a quadratic function?

• Yes

• No

Is this a quadratic function?

• Yes

• No

Is this a quadratic function?

• Yes

• No

Is this a quadratic function?

• Yes

• No

Which equation below is a quadratic?

• y=9x+5

• y=3x²-6

• y=5x³+6

• x=3^x

Which of the following is an example of quadratic equations?

• x + 9 = 0

• x + y =12

• x³ + 5x² - 14 =0

• x² - 2x = 7

Which of the following is not a quadratic equation

• x² + 3 x – 5 = 0

• x² + x³ + 2 = 0

• 3 + x + x² = 0

• x² – 9 = 0

Which of the following are quadratic equations?

• 8x + 12 = 42

• 5x² - 47 = 8x + 1

• 10x⁴ + 9x = 8x²

• 100 - 8x + x² = 9x

Which equations are quadratic? Select all that apply (Hint: put into the proper form first).

Which of the following are examples of quadratic equations? (Click all that apply)

• 2x+3

• 2x²+2

• x-4x²

• x³

• x²