Quiz about Review Algebra

Question 1

<span style="color: #f14d76;">Simplify. </span>

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 2

Question 2.

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 3

Question 3.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 4

Question 4.

Accepted Answer

There is a horizontal asymptote at  y = 3

Answer

It is a radical function

Answer

The function has been shifted left 3, up 2

Answer

There is a vertical asymptote at  x = 3

Question 5

Question 5.

Accepted Answer

There is a horizontal asymptote at  y = 3

Answer

It is a radical function

Answer

The function has been shifted left 3, up 2

Answer

There is a vertical asymptote at  x = 3

Question 6

What is the GCF?
2x²- 4x + 8

Accepted Answer

2

Answer

2x

Answer

x

Answer

1

Question 7

Question 7.

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 8

Re-Write the Exponential Equation into Logarithmic Form
x^-z = 1/32

Accepted Answer

log_x(1/32) = -z

Answer

log_x(1/32) = z

Answer

log_x(-z) = 1/32

Answer

log_z(1/32) = -x

Question 9

Re-Write the Exponential Equation into Logarithmic Form
5^x = 625

Accepted Answer

x = log₅625

Answer

log₅x = 625

Answer

5 = log_x625

Answer

log₅x = 625

Question 10

Evaluate the Logarithm: log₄(1/256)

Accepted Answer

-4

Answer

4

Answer

64

Answer

-64

Question 11

Log with a base "e" (log_e) is the same thing as...

Accepted Answer

Natural Logarithm (LN)

Answer

"e"

Answer

Common Logarithm (Log)

Answer

Natural Log, base "e"
LN_e

Question 12

Solve the Equation

Accepted Answer

n = -0.64

Answer

n = -1.12

Answer

n = -1.16

Answer

n = -2.10

Question 13

Solve the Equation

Accepted Answer

k = 2.58

Answer

k = 3.39

Answer

k = 2.60

Answer

k = 3.02

Question 14

What is the base of the logarithm:
log(100) = 2 ?

Accepted Answer

10

Answer

2

Answer

e

Answer

50

Question 15

Is this exponential growth or decay?

Accepted Answer

Decay

Answer

Growth

Question 16

Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.

Accepted Answer

y=6(1.14)^x

Answer

y=6(0.14)^x

Answer

y=6(1+14)^x

Answer

y=6(0.86)^x

Question 17

List the domain for the following.

Accepted Answer

x > -2

Answer

All Real #s

Answer

x < -2

Answer

x > 2

Question 18

Find the y-intercept for the following.

Accepted Answer

None

Answer

(0, 8)

Answer

(0, 6.39)

Answer

(0, 9.61)

Question 19

Question 19.

Accepted Answer

$86,114

Answer

$75,124

Answer

$96,354

Answer

$106,651

Question 20

Riley invested $1,000 in savings bonds. If the bonds earn 6.75% interest compounded semi-annually, how much total will Riley earn in 15 years?

Accepted Answer

$2,706.86

Answer

$1,584.62

Answer

$2,651.39

Answer

$1,825.10

Question 21

Question 21.

Accepted Answer

1.91%

Answer

3.83%

Answer

2.13%

Answer

8.33%

Question 22

Since January 1980, the population of the city of Brownville has grown according to the mathematical model y=720,500(1.022)^x, where x is the number of years since January 1980. What is the percentage increase of the population annually?

Accepted Answer

2.2%

Answer

720,500%

Answer

102.2%

Answer

22%

Question 23

Homer sells tickets for admission to your school play and collects a total of $104. Admission prices are $6 for adults and $4 for children. He sold 21 tickets total. Solve the system:
x + y = 21
6x + 4y = 104

Accepted Answer

(10, 11)

Answer

(12, 9)

Answer

(11, 10)

Answer

(9, 12)

Question 24

There are 15 animals in a barn. These animals are horses and chickens. There are 44 legs in all.  Which system of equations represents the situation?

Accepted Answer

x + y = 15
4x + 2y = 44

Answer

4x + 2y = 15
x + y = 44

Answer

x = 2y + 44
4x = y + 15

Answer

2x - 4y = 44
x - y = 15

Question 25

Question 25.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 26

Is (-2,4) a solution to the system?

Accepted Answer

Solution

Answer

Not a solution

Question 27

David is running a concession stand at a soccer game. He sells nachos and sodas. Nachos cost $1.50 each and sodas cost $0.50 each. At the end of the game, David made a total of $78.50 and sold a total of 87 nachos and sodas combined.

Accepted Answer

35 nachos, 52 sodas

Answer

18 nachos, 69 sodas

Answer

52 nachos, 35 sodas

Answer

61 nachos, 26 sodas

Question 28

Question 28.

Accepted Answer

(0, -3)

Answer

(-3, 0)

Answer

(0, 3)

Answer

(3, 0)

Question 29

Carol has a colony of bees that produced 17 pounds of honey in the first year. As the colony grows, it produces 5.125% more honey each year. Determine the total amount of honey that is produced by the colony after the 6th year.

Accepted Answer

116

Answer

18

Answer

74,673

Answer

17

Question 30

Question 30.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 31

Find the common ratio: 4, -16, 64, -256, ...

Accepted Answer

r = -4

Answer

r = 2

Answer

r = -2

Answer

r = 4

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