Free Printable 4/19 Mod 4 Quiz #2

1.

A ball is dropped from a height of 60 feet. The quadratic equation $d=-5t^2+70$ provides the distance, d, of the ball, after t seconds. What is the height after 2 seconds?

a)

70

b)

4.3

c)

65

d)

50

2.

Which of the following is the vertex of the graph?

a)

(2, 0)

b)

(-2, 0)

c)

(0, 4)

d)

(-1, 3)

3.

Which of the following is the vertex of the graph?

a)

(0, -3)

b)

(1, -4)

c)

(3, 0)

d)

(-1, -3)

4.

What is the green dashed line called?

a)

roots or x-intercepts

b)

parabola

c)

axis of symmetry

d)

line of dashes

5.

Label the parabola.

a)

vertex

b)

y-intercept

1

2

1)

2)

6.

A diver is standing on a platform above the pool. He jumps form the platform with an initial upward velocity of 8 ft/s. Use the formula h(t) = −16t² + 8t + 18, where h is his height above the water, t is the time. How high is the platform?

a)

.25 ft

b)

18 ft

c)

15 ft

d)

8 ft

7.

Given the function f(x) = 4x² - 7, what is the range?

a)

All real numbers greater than or equal to -7

b)

All real numbers

c)

All real numbers greater than or equal to 7

d)

All real numbers less than or equal to -7

8.

The elements of f(x) are (-7, 3), (-1, 6) and (8, -3). What is the range of the function?

a)

{-7, -1, -8}

b)

{-3, 6}

c)

{-3, 3, 6}

d)

All real numbers

9.

What is the range (y values) of the function graphed?

*Start from the bottom and go to the top.

*Think about the two numbers that the graph is between on the y-axis?

a)

-3 < x ≤ 6

b)

-3 < y ≤ 6

c)

2 < y ≤ 6

d)

2 < x ≤ 6

10.

What is the domain of the function?
*Hint: Domain is the set of all x-values included in the function.

a)

x≥3

b)

x≤3

c)

All real numbers

d)

-1≤x≤5

11.

A quadratic function is graphed on the grid.

Which answer choice best represents the domain and range of the function?

a)

Domain: $x\ge-3$

Range: $y\ge5$ or $\left[5,\ \infty\right)$

b)

Domain: All real numbers

Range: $y\ge5$ or $\left[5,\ \infty\right)$

c)

Domain: $x\ge-3$ or $\left[-3,\ \infty\right)$ Range: All real numbers

d)

Domain: $y\ge5$

Range: $x\ge-3$

12.

What is the range of the graph?

a)

$0<y<9$ or $\left(0,\ 9\right)$

b)

$y\le9$

c)

$y\ge9$

d)

All real numbers

13.

Which graph best represents a function with a range of all real numbers greater than or equal to -6?

* $x\ge-6$

a)

b)

c)

d)

14.

What is the domain of the function?

a)

D:{ x is greater than or equal to 3}

b)

D:{x is less than or equal to 3}

c)

D:{all real numbers}

d)

D:{ x is all real numbers between and including -1 and 5}

15.

An equation that can be written in the form y = ax² + bx + c

a)

Quadratic equation

b)

MInimum

c)

Linear equation

d)

Maximum

16.

The highest or lowest point on the parabola

a)

Parabola

b)

Domain

c)

Vertex

d)

Range

17.

All possible x-values

a)

Domain

b)

Range

c)

Parabola

d)

Vertex

18.

The curved graph of a quadratic (the U shape)

a)

Quadratic

b)

Parabola

c)

Vertex

d)

Minimum

19.

Where the parabola (U shape) crosses the x-axis.

a)

Domain

b)

Range

c)

Y-intercept

d)

X-intercept

20.

Another name for the x-intercept

a)

Roots

b)

Zeros

c)

Solutions

d)

All of the above

21.

A vertical line that cuts the parabola into 2 symmetrical halves. This always goes through the vertex and ALWAYS begins with "x=" This is sometimes called the "line of symmetry".

a)

Parabola

b)

Quadratic

c)

Axis of Symmetry

d)

Domain

22.

All possible y-values

a)

Domain

b)

Range

c)

Parabola

d)

Vertex

23.

Where the parabola crosses the y-axis.

a)

X-intercept

b)

Domain

c)

Y-intercept

d)

Axis of Symmetry

4/19 Mod 4 Quiz #2

Total questions: 23

Worksheet time: 1hrs 21mins

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