Quiz about Semester A Exam 2024

Question 1

If y varies directly as x and y = 8 when x = 3, what is the value of y when x = 9?

Accepted Answer

24

Answer

8/3

Answer

27/3

Answer

14

Question 2

Speedy Rentals will rent a jet ski for $15.00 plus $3.00 per hour. Which equation expresses C, the cost of renting a jet ski and riding it for h hours?

Accepted Answer

C = 15 + 3h

Answer

C = 15h + 3

Answer

C = 3(15 + h)

Answer

C = 15(h + 3)

Question 3

The scatter plot shows the relationship between the amount of time Casey was at the mall and the amount of money she spent there. Which statement best describes the relationship between the amount of money Casey spent and the amount of time she was at the mall?

Accepted Answer

The amount of money spent increased as the amount of time at the mall increased.

Answer

The amount of money spent was not affected by the amount of time at the mall.

Answer

The amount of money spent decreased as the amount of time at the mall increased.

Answer

The amount of money spent remained the same without regard to the amount of time at the mall.

Question 4

The values in the table below were generated using a rule. Which rule could have been used to generate the values in the table?

Accepted Answer

y = 7x + 23

Answer

y = 23x

Answer

y = x + 23

Answer

y = 7 + 23x

Question 5

The table below shows the amount of money Bernard earned selling newspapers during a 6-week time period. Which describes the relationship between the week, x, and the money Bernard earned, y?

Accepted Answer

a strong, positive relationship

Answer

a weak, positive relationship

Answer

a strong, negative relationship

Question 6

Which of the following could be the graph of a function?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 7

Jim is graphing the streets in his town on the coordinate grid shown. Green Avenue is perpendicular to Brown Street. Which equation could represent the graph of Green Avenue?

Accepted Answer

y = 1/2x - 8

Answer

y = -2x + 4

Answer

y = -1/2x + 2

Answer

y = 2x - 4

Question 8

Which of the following statements is supported by the data?

Accepted Answer

In the sample study, sleep and G.P.A. are positively correlated.

Answer

More sleep causes a person to have a higher G.P.A.

Answer

A higher G.P.A. allows a person to get more sleep.

Answer

Schoolwide, sleep and G.P.A. are positively correlated.

Question 9

When rice is prepared, the amount of rice varies directly as the amount of water required. If 2 cups of rice requires 4.5 cups of water, what is the total number of cups of water needed to prepare 5 cups of rice?

Accepted Answer

11.25

Answer

9

Answer

10

Answer

22.5

Question 10

Which graph represents the same pattern as 4x - 2y = -8?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 11

Which of these graphs correctly represents the inequality y < 1/2x - 1 ?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 12

The graph of y < 2x - 3 is shown. Which set contains only points that satisfy the inequality?

Accepted Answer

A. {(3, 3), (-4, -11), (-1, -8), (5, 0)}

Answer

B. {(5, 7), (-3, -10), (5, -7), (-1, -4)}

Answer

C. {(-1, -10), (5, 8), (-4, -13), (3, -2)}

Answer

D. {(-4, -12), (-1, -5), (3, 4), (5, 6)}

Question 13

Which relation is a function?

Accepted Answer

B. {(-2, -2), (0, 0), (1, 1), (2, 2)}

Answer

A. {(-1, 3), (-2, 6), (0, 0), (0, -2, -2)}

Answer

C. {(4, 0), (4, 1), (4, 2), (4, 3)}

Answer

D. {(7, 4), (8, 8), (10, 8), (10, 10)}

Question 14

Which expression represents the range of the function shown in the graph below?

Accepted Answer

$$-5\le y\le8$$

Answer

$$-8\le x\le6$$

Answer

$$-5\le x<8$$

Answer

$$-5<y\le8$$

Question 15

The cost of printing different numbers of copies of a book is shown on the graph below. Which equation represents the cost, C, of printing n copies of the book?

Accepted Answer

C = 400 + 50n

Answer

C = 400 + 250n

Answer

C = 400 + 2n

Answer

C = 400 + n

Question 16

The graph of a line is shown. What is the equation of a line that is perpendicular to the line shown and goes through the point (3, -1)?

Accepted Answer

y = 3/4x - 5

Answer

y = -3/4x - 5

Answer

y = -3/4x + 3

Answer

y = 3/4x + 3

Question 17

Which statement is true about the graphs of these equations?

y = 2x + 7

5y = 10x + 35

Accepted Answer

The lines coincide.

Answer

The lines are parallel.

Answer

The lines are perpendicular.

Answer

The lines intersect, but are not perpendicular.

Question 18

The system of equations below shows the rental costs (y), in dollars, for renting a kayak x hours from two different rental companies. y = 25x + 250 and y = 50x + 150. For what number of hours will the rental cost be the SAME for both companies?

Accepted Answer

4

Answer

5

Answer

10

Answer

16

Question 19

Zane was given the equation 2x - 5 = y and wondered what the graph of this equation would look like. Which of the following best describes the graph?

Accepted Answer

A line that rises from left to right

Answer

A vertical line

Answer

A line that falls from left to right

Answer

A horizontal line

Question 20

Which is the correct graph for 3y + 3= 2x ?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 21

Given $$f\left(x\right)=x^3+x^2-x$$ , what is f(4)?

Accepted Answer

256

Answer

16

Answer

76

Answer

1,024

Question 22

Which set of numbers is NOT included in the solution set of 4y - 3x < -2 ?

Accepted Answer

(0,0.25)

Answer

(3,-5)

Answer

(4,-3)

Answer

(0,-1.25)

Question 23

Which graph best represents the solution to this system of inequalities

$$5y\ \ge2x-10$$

$$y\le2x+1$$ ?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 24

Which expression is equivalent to $$\left(3x^2\right)^3$$ ?

Accepted Answer

$$27x^6$$

Answer

$$9x^5$$

Answer

$$9x^6$$

Answer

$$27x^5$$

Question 25

A school store sells pens for $1.29 each and notebooks for $2.25 each. Paul bought p pens and n notebooks. He spent less than $10. Which of these inequalities represents this situation?

Accepted Answer

D. 1.29p + 2.25n < 10

Answer

A. 2.25p - 1.29n < 10

Answer

B. 1.29p - 2.25n < 10

Answer

C. 2.25p + 1.29n < 10

Question 26

Which of the following is not a function of x?

Accepted Answer

B. Graph B

Answer

A. Graph A

Answer

C. Graph C

Answer

D. Graph D

Question 27

There are two numbers with the following properties:

I. The second number is 3 more than the first number.

II. The product of the two numbers is 9 more than their sum.

Which of the following represents possible values of these two numbers?

Accepted Answer

D. -3, 6

Answer

A. -6, -3

Answer

B. -4, -1

Answer

C. -1, 4

Question 28

What is the domain of the function shown on the graph below?

Accepted Answer

D. {1, 2, 4, 5}

Answer

A. {-1, -2, -3, -4}

Answer

B. {-1, -2, -4, -5}

Answer

C. {1, 2, 3, 4}

Question 29

Name the slope in the following equation
y= 3/7x -4

Accepted Answer

3/7

Answer

-4

Answer

4

Answer

3/7x

Question 30

Is (0,0) a solution to the system?

Accepted Answer

Solution

Answer

Not a solution

Answer

cannot be determined

Answer

infinite solutions

Question 31

If a system of equations has no solution, what does the graph look like?

Accepted Answer

parallel lines

Answer

intersecting lines

Answer

skew lines

Answer

same lines

Question 32

If a system of equations has one solution, what does the graph look like?

Accepted Answer

intersecting lines

Answer

parallel lines

Answer

skew lines

Answer

same lines

Question 33

Is the relation a function? Why.

Accepted Answer

No, because the x-value 11 has two y-values pair with it.

Answer

Yes, because the x-value 11 has two y-values pair with it.

Answer

Yes, because each x-value has only one y-value paired with it.

Answer

No, because each x-value has only one y-value paired with it.

Question 34

What is the type of correlation?

Accepted Answer

no association

Answer

Negative

Answer

positive

Question 35

Choose all the equations that are exponential:

Accepted Answer

y = 1/3x

Accepted Answer

y = 8^x - 9

Answer

y = 6x -5

Answer

f(x) = 3x² + 4

Answer

y = 7x3

Question 36

Identify the type of relationship

Accepted Answer

Linear

Answer

Quadratic

Answer

Exponential

Question 37

Identify the type of relationship

Accepted Answer

Quadratic

Answer

Linear

Answer

Exponential

Question 38

Identify the type of relationship

Accepted Answer

Linear

Answer

Quadratic

Answer

Exponential

Question 39

Identify the type of relationship

Accepted Answer

Exponential

Answer

Linear

Answer

Quadratic

Question 40

Identify the type of relationship

Accepted Answer

Exponential

Answer

Linear

Answer

Quadratic

Question 41

Identify the type of relationship

Accepted Answer

Linear

Answer

Quadratic

Answer

Exponential

Question 42

Identify the type of relationship

Accepted Answer

Quadratic

Answer

Linear

Answer

Exponential

Question 43

Does this graph have a maximum or minimum value?

Accepted Answer

minimum

Answer

maximum

Answer

neither

Answer

both

Question 44

Determine which type of function the following is:

Accepted Answer

Exponential

Answer

Linear

Answer

Quadratic

Answer

Not a function

Question 45

Which represents exponential decay?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 46

Whats the horizontal asymptote?

Accepted Answer

y=-1

Answer

y=1

Answer

y=0

Answer

(0,-1)

Question 47

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 48

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 49

What is the equation for axis of symmetry?

Accepted Answer

x=3

Answer

y=3

Answer

x=5

Answer

x=1

Question 50

Use the graph to determine the x-intercept(s).

Accepted Answer

(3, 0), (1, 0)

Answer

(1, 0)

Answer

(0, 3), (0, 1)

Answer

(0, -3)

Question 51

y varies directly with x. If y = 20 when x = 4, what is y when x = -2 ?

Accepted Answer

-10

Answer

10

Answer

-5

Answer

5

Semester A Exam 2024

64 questions

Look at the function that is graphed below. What is the range of this function?

If y varies directly as x and y = 8 when x = 3, what is the value of y when x = 9?

Speedy Rentals will rent a jet ski for $15.00 plus $3.00 per hour. Which equation expresses C, the cost of renting a jet ski and riding it for h hours?

The scatter plot shows the relationship between the amount of time Casey was at the mall and the amount of money she spent there. Which statement best describes the relationship between the amount of money Casey spent and the amount of time she was at the mall?

If a line passes through the points A and B shown below, approximately where does the line cross the x-axis?

The values in the table below were generated using a rule. Which rule could have been used to generate the values in the table?

Rashad solved the inequality 2x + 4 ≥ 14 and determined that x could equal 6. Is Rashad correct?

The table below shows the amount of money Bernard earned selling newspapers during a 6-week time period. Which describes the relationship between the week, x, and the money Bernard earned, y?

Determine the slope m, x-intercept, and y-intercept of the equation 5x – 2y = 10.

Which of the following could be the graph of a function?

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