Quiz about Algebra

Question 1

Is the sequence arithmetic: 37, 31, 25, 19, ...

Accepted Answer

Yes

Answer

No

Question 2

Find the common difference: -34, -29, -24, -19, ...

Accepted Answer

d = 5

Answer

d = -5

Answer

d = -6

Answer

d = 6

Question 3

Given the sequence:
25, 21, 17, 13,...
Write the explicit equation that models the sequence. (Hint: Simplify your equation.)

Accepted Answer

a_n= -4n + 29

Answer

a_n = 4n + 29

Answer

a_n = -4n + 25

Answer

a_n = 4n + 25

Question 4

Find the 22nd term of the following sequence:
5, 8, 11, ...

Accepted Answer

68

Answer

14

Answer

63

Answer

71

Question 5

Find the common ratio for the geometric sequence.

Accepted Answer

2

Answer

10

Answer

1/2

Answer

4

Question 6

Write the explicit formula for the geometric sequence.

Accepted Answer

a_n = 3(-4)^n-1

Answer

a_n = 4(3)^n-1

Answer

a_n = 3(4)^n-1

Answer

a_n = -4(3)^n-1

Question 7

Find the first four terms of the sequence given the rule:
a_n = 4(5)^n-1

Accepted Answer

4, 20, 100, 500

Answer

20, 100, 500, 2500

Answer

5, 20, 80, 320

Answer

4, 9, 14, 19

Question 8

How many total did not attend the school play?

Accepted Answer

78

Answer

63

Answer

15

Answer

221

Question 9

What number should go in the blue box?

Accepted Answer

21

Answer

135

Answer

19

Answer

22

Question 10

What percentage of girls have blonde hair?

Accepted Answer

30%

Answer

32%

Answer

29%

Answer

40%

Question 11

What percentage of SUV's are driven by women?

Accepted Answer

86.5%

Answer

56.25%

Answer

75%

Answer

83.25%

Question 12

Of the times when the forecast called for rain, what is the percentage that it actually rained?

Accepted Answer

About 90%

Answer

About 50%

Answer

About 70%

Answer

About 80%

Question 13

What is the relative frequency for selecting a teen given that the person likes chocolate?

Accepted Answer

.112

Answer

.267

Answer

.164

Answer

.056

Question 14

How many students were greater than or equal to 60 inches tall?

Accepted Answer

11

Answer

21

Answer

17

Answer

6

Question 15

21. How many students are represented by the histogram?

Accepted Answer

31

Answer

Cannot be determined

Answer

9

Answer

35

Question 16

How many people have more than four books in their desk?

Accepted Answer

7

Answer

12

Answer

5

Answer

8

Question 17

Find the Missing Value that would make the mean of the data set 25

Accepted Answer

23

Answer

22

Answer

24

Answer

26

Question 18

The number of miles that Jenna cycled each week for a 7-week period is shown:
36, 42, 28, 52, 48, 36, 31
What is the median number of miles Jenna cycled?

Accepted Answer

36

Answer

24

Answer

39

Answer

52

Question 19

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below:
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?

Accepted Answer

9

Answer

5

Answer

6

Answer

11

Question 20

Calculate the range of the following

2, 5, 8, 3, 13, 5

Accepted Answer

11

Answer

13

Answer

5

Answer

8

Question 21

Calculate the interquartile range of the following data

17, 18, 18, 19, 20, 21, 21, 23, 25

Accepted Answer

4

Answer

3

Answer

5

Answer

8

Question 22

Find the mean with and without the outlier. Expain how the outlier affects the mean?

92, 68, 88, 80, 89, 81

Accepted Answer

The outlier decreases the mean by 3.

Answer

The outlier increases the mean by 3.

Answer

The outlier decreases the mean by 4.

Answer

The outlier has no affect on the mean.

Question 23

What is the IQR?

Accepted Answer

5.5

Answer

4

Answer

4.5

Answer

6

Question 24

Which car club has the higher median?

Accepted Answer

Car Hops

Answer

Cruisers

Question 25

Which club has the smaller spread?

Accepted Answer

Car Hops

Answer

Cruisers

Question 26

Which restaurant has a higher median wait time?

Accepted Answer

Lucy's Steakhouse

Answer

Gary's Grill

Answer

They are the same

Question 27

Which person has the higher upper extreme and what is that number?

Accepted Answer

Irene, 90 minutes

Answer

Janelle, 80 minutes

Answer

Irene, 80 minutes

Answer

Janelle, 70 minutes

Question 28

8v - 4(v + 8) = 8

Accepted Answer

10

Answer

2

Answer

4

Answer

-4

Question 29

7(1 - y) = -3(y - 2)

Accepted Answer

x = 1/4

Answer

x = 4

Answer

x = 5

Question 30

A scale drawing of a billboard uses the scale 4 cm:9 ft. The length of the billboard in the drawing is 11 cm. How long is the actual billboard?

Accepted Answer

24.75 ft

Answer

13 ft

Answer

20.75 ft

Answer

22 ft

Question 31

Solve the proportion:

Accepted Answer

15

Answer

5

Answer

10

Answer

12

Question 32

Fill in the missing value.

Accepted Answer

14

Answer

17

Answer

-16

Answer

0

Question 33

Which equations fits the table?

Accepted Answer

y = -x + 6

Answer

y = 6x

Answer

y = x + 6

Answer

y = x - 6

Question 34

What type of function does this table represent?

Accepted Answer

Exponential

Answer

Linear

Answer

Neither

Question 35

Given the following table, write the equation.

Accepted Answer

y = 3x + 9

Answer

y = 9x + 3

Answer

y = 3x + 12

Answer

y = 1x + 12

Question 36

What is the equation of this table?

Accepted Answer

y = 3x(4)

Answer

y = 4x(3)

Answer

y = 3x + 4

Answer

y = 4x + 3

Question 37

Is this table a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 38

Which set of values is a function?

Accepted Answer

(6,-5) (7, -3) (8, -1) (9, 1)

Answer

(9,5) (10,5) (9,-5) (10,-5)

Answer

(3,4) (4,-3) (7,4) (3, 8)

Answer

(2, -2) (5, 9) (5, -7) (1, 4)

Question 39

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 40

Is this graph a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 41

f(x)=2x+1
If f(x)=4, what is the value of x?

Accepted Answer

3/2

Answer

2

Answer

1/2

Answer

4

Question 42

All of the y values or outputs are called what?

Accepted Answer

Range

Answer

Domain

Answer

Relation

Answer

Function

Question 43

All of the x values or inputs are called what?

Accepted Answer

Domain

Answer

Range

Answer

Relation

Answer

Function

Question 44

Find the slope of the line.

Accepted Answer

-1

Answer

-2

Answer

2

Answer

1

Question 45

Which statement below accurately represents the graph?

Accepted Answer

$500 is earned for every 8 hours worked

Answer

$100 is earned for each hour worked

Answer

$100 is earned for every 2 hours worked

Answer

$200 is earned for every 3 hours worked

Question 46

f(x) = 2x² + 12x + 16
What is the average rate of change of f(x) from f(-3) and f (-2)?

Accepted Answer

2

Answer

1/2

Answer

-2

Answer

-1/2

Question 47

Find the average rate of change for the function over the indicated interval

Accepted Answer

-8

Answer

0

Answer

-9

Answer

8

Question 48

Which equation represents the following graph?

Accepted Answer

y = 2x + 3

Answer

y = 3x + 2

Answer

y = -2x + 3

Answer

y = -3x + 2

Question 49

What is the y-intercept in the equation?

y = 5x - 4

Accepted Answer

(0,-4)

Answer

(0,5)

Answer

(-4,0)

Answer

(5,0)

Question 50

Which is the graph of y=-x+2?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 51

Write the equation of the line.

Accepted Answer

y=(3/5)x-1

Answer

y=(3/5)x+1

Answer

y=(5/3)x+1

Answer

y=(3/5)x+1

Question 52

Nellie has $24 to spend on friendship bracelets. Each bracelet costs $4. The function f(b) = 24 - 4b represents the amount of money Nellie has left, f(b), after purchasing b bracelets. What is the range for this situation?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 53

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.

Accepted Answer

18 chapters

Answer

12 chapters

Answer

15 chapters

Answer

21 chapters

Question 54

Which of the following would be the most accurate equation for the scatter plot?

Accepted Answer

y = 3x + 7

Answer

y = -2x - 7

Answer

y = -x + 7

Answer

y = 15x + 7

Question 55

Estimate the correlation coefficient for this scatterplot.

Accepted Answer

B) r = 0.89

Answer

A) r = 1.2

Answer

C)r = 0

Answer

D) r = -0.89

Question 56

Estimate the correlation coefficient for this scatterplot.

Accepted Answer

A) r = -0.9

Answer

B) r = 1

Answer

C) r = 0.9

Answer

D) r = -1

Question 57

r=-0.89

Accepted Answer

Strong negative

Answer

Strong positive

Answer

Weak positive

Answer

Weak negative

Question 58

Write in vertex form
f(x)= 3x²-6x +12

Accepted Answer

f(x)= 3(x-1)² + 9

Answer

f(x)= (x-2)² + 3

Answer

f(x)= (x+1)² + 3

Answer

f(x)= 3(x-1)² + 3

Question 59

Pick a function that best models the following situation:  A babysitter getting paid hourly.

Accepted Answer

Linear

Answer

Exponential

Answer

Quadratic

Answer

Neither

Question 60

Solve using Zero-Product Property
(x-11)(5x+1) = 0

Accepted Answer

x = 11 or x = -1/5

Answer

x = -11 or x = -1/5

Answer

x = 11 or x - 1/5

Answer

x = -11 or x = 1/5

Question 61

At what time would you reach 16 ft above the water if you jump of a cliff using the formula:
h = -16t² + 8t + 24?

Accepted Answer

1

Answer

8

Answer

1/2

Answer

1/4

Question 62

What is the vertex of the parabola: y=2(x-3)²+4

Accepted Answer

(3,4)

Answer

(-3,4)

Answer

(3, -4)

Answer

(-3,-4)

Question 63

When is this function increasing?

Accepted Answer

-2.5 < x < 2.5

Answer

0 < x < 5

Answer

0 < x < 55

Answer

-5 < x < 0

Question 64

f(x)=4x+5
f(4)=

Accepted Answer

21

Answer

-11

Answer

-31

Answer

25

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