Identifying Quadratics

• ±23.25
• ±5
• ±25
• No real solution

±81

±9

±3

No real solution

• ±81

• ±9

• ±3

• No real solution

Is this a quadratic function?

• Yes

• No

What kind of function is this?

• Linear

• Absolute Value

• Quadratic

• Piecewise

Which is a Quadratic Function?

• f(x)=x²+2x+1

• f(x)=4x²-12x+9

• f(x)=8x^-2+6x-2

• f(x)=3x+2

Is this a quadratic function?

• Yes

• No

Which function is quadratic?

• f(x)

• h(x)

• g(x)

This is a _______________ function.

• Linear

• Exponential

• Quadratic

• Quadratic

• Exponential

• Linear

• Unknown

Which of the following is NOT a quadratic function?