Quiz about UNIT 8- A.6A, A.7A

Question 1

Use the graph to determine the solutions.

Accepted Answer

1 and 3

Answer

-1 and -3

Answer

1 and -3

Answer

-1 and 3

Question 2

A quadratic function is graphed on the grid.

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

Accepted Answer

Domain: All real numbers

Range: $$y\ge5$$

Answer

Domain: $$x\ge-3$$

Range: $$y\ge5$$

Answer

Domain: $$x\ge-3$$ Range: All real numbers

Answer

Domain: $$y\ge5$$

Range: $$x\ge-3$$

Question 3

What is the range of $$y=-x^2-2x+3$$ ?

Accepted Answer

$$y\le4$$

Answer

$$x\le4$$

Answer

$$x\ge-4$$

Answer

$$y\ge-4$$

Question 4

The graph shown represents a quadratic function. Determine which key features correctly represent the function. Select all that apply.

Accepted Answer

maximum value: $$-1$$

Accepted Answer

vertex: $$\left(1,\ -1\right)$$

Accepted Answer

Axis of symmetry: $$x=1$$

Answer

minimum value: $$-1$$

Answer

Axis of symmetry: $$x=-1$$

Question 5

What is the range of g?

Accepted Answer

B. All real numbers less than or equal to 1

Answer

A. All real numbers

Answer

C. All real numbers less than or equal to -22

Answer

D. All real numbers greater than or equal to 0

Question 6

Which graph represents a function with a domain of all real numbers greater than or equal to -3 and less than 5?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 7

Which graph represents a function with a range of all real numbers greater than -2 and less than 3?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 8

Which graph best represents $$y = x^2 - 2x - 3$$ ?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 9

Which graph best represents $$-x^2 + 2x + 8$$ ?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 10

Which of the following quadratic functions has no zeros?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 11

Which of the following quadratic functions has only one zero?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 12

The graph of a quadratic function is shown on the grid. Which equation best represents the axis of symmetry?

Accepted Answer

x = 3

Answer

y = -4

Answer

y = 0

Answer

x = 6

Question 13

The graph of a quadratic function is shown on the grid. Which equation best represents the axis of symmetry?

Accepted Answer

x = -4

Answer

y = 4

Answer

x = -1

Answer

y = -7

Question 14

A graph of $$f(x) = -6x^2 - 7x - 1$$ is shown on the grid. What are the zeros of $$f$$ ?

Accepted Answer

$$-\frac{1}{6}$$ and -1

Answer

2 and -3

Answer

-1

Answer

$$-\frac{1}{3}$$ and $$-\frac{3}{2}$$

Question 15

A graph of $$f(x) = 3x^2 - 7x + 2$$ is shown on the grid. What are the zeros of f?

Accepted Answer

C. $$\frac{1}{3}$$ and 2

Answer

A. 2

Answer

B. 2 and 0

Answer

D. $$\frac{2}{3}$$ and $$\frac{5}{2}$$

Question 16

Which of the following tables corresponds to the function $$y = x^2 + 3x - 5$$ ?

Accepted Answer

Question 17

Which of the following graphs represents the equation $$y = x^2 - 2x + 4$$ ?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 18

In the diagram, is the vertex a maximum or minimum point? What are the coordinates of the vertex?

Accepted Answer

minimum; (5, -3)

Answer

minimum; (5, 3)

Answer

minimum; (-3, 5)

Answer

maximum; (5, -3)

Question 19

Is the vertex of the parabola shown in the graph a maximum or a minimum? What are the coordinates of the vertex?

Accepted Answer

minimum; (-4, -6)

Answer

minimum; (-6, -4)

Answer

maximum; (-4, -6)

Answer

maximum; (-6, -4)

Question 20

Identify the y-intercept

Accepted Answer

(0, -3)

Answer

(0, 1)

Answer

(0, 3)

Answer

(2, 1)

Question 21

What do we call the highest or lowest point of a quadratic?

Accepted Answer

vertex

Answer

parabola

Answer

graph

Answer

point

Question 22

.How many zeros does this parabola have?

Accepted Answer

2

Answer

3

Answer

0

Answer

1

Question 23

What is another name for the x-intercepts of a quadratic?

Accepted Answer

Zeros

Answer

y-intercept

Answer

x-axis

Answer

They don't have another name

Question 24

What is the significance of the ordered pair (2, -4) to the graph?

Accepted Answer

It is the vertex

Answer

It is an x-intercept

Answer

It is the y-intercept

Answer

It is the axis of symmetry

Question 25

What is the significance of the ordered pair (0, -2) to the graph?

Accepted Answer

It is the y-intercept

Answer

It is the vertex

Answer

It is an x-intercept

Answer

It is the axis of symmetry

Question 26

What are the zeros for the quadratic function?

Accepted Answer

(-6, 0) and (14, 0)

Answer

(-50, 0) and (14, 0)

Answer

(-6, 0) and (-50, 0)

Answer

(-50, 0) and (-60, 0)

Question 27

What are the zeros for the quadratic function?

Accepted Answer

(-6, 0) and (14, 0)

Answer

(-50, 0) and (14, 0)

Answer

(-6, 0) and (-50, 0)

Answer

(-50, 0) and (-60, 0)

Question 28

What are the x- intercepts?

Accepted Answer

x= 0 and x= 4

Answer

x= 0 and x= -4

Answer

y= 0

Answer

x= 2

Question 29

What piece of information does c identify in the following equation?

y=ax²+bx+c

Accepted Answer

y-intercept

Answer

zeros

Answer

axis of symmetry

Answer

direction

Question 30

Which graph shows y = x² + 5x + 4 ?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 31

Which graph shows y = x² - 5x + 4 ?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 32

Which graph shows y = x² + 5x + 6 ?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 33

Which graph shows y = x² - 5x + 6 ?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 34

Which of the following is equivalent to 3x-4y=6

Accepted Answer

Y=3/4x-3/2

Answer

Y=-6/7x

Answer

Y=-3/4x

Answer

Y=4/3x+2

Question 35

Which graph can be used to find the solution to the system of equations below?

2x+y=-4

-3y=2x+12

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 36

The graph of linear function k passes through the points (2, 10) and (4, 5). Which statements are best supported by the graph of k?

Accepted Answer

A) I and II only

Answer

B) I and III only

Answer

C) II and III only

Answer

D) I, II, and III

Question 37

The graph of linear function k passes through the points (2, 10) and (4, 5). Which statements are best supported by the graph of k?

Accepted Answer

A) I and II only

Answer

B) I and III only

Answer

C) II and III only

Answer

D) I, II, and III

Question 38

Which graph represents y = -1/3x + 2?

Accepted Answer

Graph B

Answer

Graph A

Answer

Graph C

Answer

Graph D

Question 39

Which graph represents -7y = -21x + 28 ?

Accepted Answer

Graph D

Answer

Graph A

Answer

Graph B

Answer

Graph C

Question 40

The table represents some points on the graph of a linear function. Which of the following statements are best represented by the linear function? (Select all that apply)

Accepted Answer

x-intercept: $$\left(6,0\right)$$

Accepted Answer

y-intercept: $$\left(0,\ -2\right)$$

Accepted Answer

slope: $$\frac{1}{3}$$

Answer

x-intercept: $$\left(0,6\right)$$

Question 41

The table represents some points on the graph of a linear function. Which of the following statements are best represented by the linear function? (Select all that apply)

Accepted Answer

zero: $$-3$$

Accepted Answer

y-intercept: $$\left(0,\ -12\right)$$

Accepted Answer

slope: $$-4$$

Answer

y-intercept: $$\left(-12,0\right)$$

Question 42

The table represents some points on the graph of a linear function. Which of the following statements are best represented by the linear function? (Select all that apply)

Accepted Answer

x-intercept: $$\left(-12,0\right)$$

Accepted Answer

y-intercept: $$\left(0,\ 6\right)$$

Accepted Answer

slope: $$\frac{1}{2}$$

Answer

x-intercept: $$\left(0,-12\right)$$

Question 43

The graph of a linear function $$g$$ passes through the points $$(−6,\ 14)$$ and $$(6,\ −7)$$ . Which of the following statements are best represented by the linear function? (Select all that apply)

Accepted Answer

x-intercept: $$\left(2,0\right)$$

Accepted Answer

y-intercept: $$\left(0,\ 3.5\right)$$

Accepted Answer

slope: $$-\frac{7}{4}$$

Answer

x-intercept: $$\left(0,2\right)$$

Question 44

Damian borrowed money from a bank to buy a car. The table shows the loan balance, $$b\left(x\right)$$ , after $$x$$ monthly payments.

Accepted Answer

zero: $$48$$

Accepted Answer

y-intercept: $$1600$$

Accepted Answer

slope: $$-350$$

Answer

y-intercept: $$48$$

UNIT 8- A.6A, A.7A

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