Quiz about Understanding Quadratic Functions

Question 1

What is the maximum/minimum of a parabola called?

Accepted Answer

Vertex

Answer

Point

Answer

Top

Answer

Bottom

Question 2

What do we call the graph of a quadratic function?

Accepted Answer

Parabola

Answer

Linear

Answer

Cubic

Answer

Exponential

Question 3

Does the quadratic have a maximum or minimum vertex, and does the parabola open up or down?

Accepted Answer

max/opens down

Answer

min/opens down

Answer

max/opens up

Answer

min/opens up

Question 4

What is the green dashed line called?

Accepted Answer

Axis of Symmetry

Answer

X-intercepts

Answer

Parabola

Answer

Line of Dashes

Question 5

A parabola has a vertex at (-3,2). Where is the axis of symmetry?

Accepted Answer

$$x=-3$$

Answer

$$y=-2$$

Answer

$$x=3$$

Answer

$$y=2$$

Question 6

Select the FALSE statement about the parabola.

Accepted Answer

The minimum is -3

Answer

The vertex is at (-2,-3)

Answer

The maximum is -3

Answer

The y-intercept is -7

Question 7

What is the range of the graph?

Accepted Answer

$$y\le-3$$

Answer

$$x\le-3$$

Answer

all real numbers

Answer

$$y\ge-3$$

Question 8

Which equation would give the graph of a parabola?

Accepted Answer

$$y=x^2+2x+1$$

Answer

$$y=4x+7$$

Answer

$$y=2\left(.85\right)^x$$

Answer

$$y=9\left(3\right)^x$$

Question 9

What is the axis of symmetry of this parabola?

Accepted Answer

$$x=-2$$

Answer

$$y=-2$$

Answer

$$y=-3$$

Answer

$$x=-3$$

Question 10

What is the FALSE statement about the graph?

Accepted Answer

The maximum value is -4

Answer

The axis of symmetry is $$x=-1$$

Answer

The zeros are $$x=1,-3$$

Answer

The vertex is (-1,-4)

Understanding Quadratic Functions

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