Compare Linear, Quadratic, and Cubic

Which is these equations is a quadratic function?

• f(x)=2x+5

• f(x)=2^x

• f(x)=(x+1)³

• f(x)=(x-5)²

Name the parent function.

• linear

• quadratic

• cubic

• logarithmic

What kind of function is this graph?

• Linear

• Quadratic

• Exponential

What type of function is this equation:
y= -3x + 12

• Linear

• Exponential

• Neither

• A

• B

• C

• D

Two functions are shown below.

For what positive minimum value of x will f(x) exceed g(x)?

f(x) = x² - 5x + 6

g(x) = 2x + 8

• x = 3

• x = 5

• x = 7

• x = 8

Two functions are shown below. For what positive minimum value of x will f(x) exceed g(x)? f(x) = x² - 5x + 6 g(x) = 2x + 8

• x = 3

• x = 5

• x = 7

• x = 8

Compare the shape of a linear function graph to a quadratic function graph.

• A linear function graph is a parabola, and a quadratic function graph is a straight line.

• A linear function graph is a straight line, and a quadratic function graph is a curve.

• A linear function graph is a curve, and a quadratic function graph is a straight line.

• A linear function graph is a straight line, and a quadratic function graph is a parabola.

Two functions are shown below. For what positive minimum value of x will f(x) exceed g(x)? f(x) = x² - 5x + 6 g(x) = 2x + 8

• x = 3

• x = 5

• x = 7

• x = 8

The graph of a quadratic function is called

• a line

• a hyperbola

• a parabola

• a cubic