Look at this equation. 2t = 10

Solve for t. Which of the following can you use to make sure your answer is correct?

Question 2 options:

Substitute 2 for t in the equation 2t = 10.

Substitute 5 for t in the equation t = 5.

Substitute 5 for t in the equation 2t = 10.

Substitute 2 for t in the equation t = 5.

Question 3 (5 points)
Solve the inequality: −2x > −6

Question 3 options:

x −3

x 3

Question 4 (5 points)
Find the value of 35.

Question 4 options:

15

243

81

125

Question 5 (5 points)
What's the value of 280?

Question 5 options:

28

0

128
1
28

1

Question 6 (5 points)
Evaluate the exponential expression (−2)6.

Question 6 options:

64

−64

12

−12

Question 7 (5 points)
How many factors are there in the algebraic expression −2x(x + 5)?

Question 7 options:

2

1

4

3

Question 8 (5 points)
Alicia runs a small business mowing yards in the summer. For every yard she mows, she earns $40. However, she spends part of this money on gasoline for her lawnmower. Each gallon of gasoline costs $3. Write an expression for the amount of money that Alicia earns in a day, where y is the number of yards she mows and g is the number of gallons of gasoline she buys.

Question 8 options:

$40y − $3g

$40y + $3g

$40g + $3y

$3g − $40y

Question 9 (5 points)
Evaluate x3+16÷4
x
3
+
16
÷
4
for x=2
x
=
2
.

Question 9 options:

8

6

5

12

Question 10 (5 points)
Which of the following expressions is equivalent to 2x + y − 4y + 8?

Question 10 options:

2x − 4y + 8

3x − 4y + 8

2x − 3y + 8

2x + 3y + 8

Question 11 (5 points)
Select the expression that is equivalent to x + x + y × y × y.

Question 11 options:

x2 + 3y

2x + y3

2x + 3y

x2 + y3

Question 12 (5 points)
Select the expression that is equivalent to 3(2x + 5) − 4x.

Question 12 options:

2x + 15

x + 15

x + 8

2x + 5

Question 13 (5 points)
Identify the number line that correctly displays the solution x ≥ 3.

Question 13 options:

A number line with a shaded circle above 3 and an arrow pointing to the right.

A number line with an open circle above 3 and an arrow pointing to the right.

A number line with an open circle above 3 and an arrow pointing to the left.

A number line with a shaded circle above 3 and an arrow pointing to the left.

Question 14 (5 points)
Which of the following is the solution of the equation 3x + 4 = 19? Use substitution to identify the correct answer.

Question 14 options:

x = 3

x = 4

x = 5

x = 6

Question 15 (5 points)
Find the value of x in the equation 13 − x = 21.

Question 15 options:

8

−34

−8

34

Question 16 (5 points)
Scott earned 20 points more on his most recent math test than he earned on the previous test. If he earned at least 80 points on the most recent math test, how many points did he earn on the previous test?

Question 16 options:

s ≥ 60

s > 60

s < 60

s ≤ 60

Question 17 (5 points)
Identify the independent and dependent variables in the following situation: Julie notices that her plant grows one inch for every liter of water that it receives.

Question 17 options:

The independent variable is the type of tap water used, and the dependent variable is the amount of water the plant receives.

The independent variable is the height of the plant, and the dependent variable is the amount of water the plant receives.

The independent variable is the amount of water the plant receives, and the dependent variable is the height of the plant.

The independent variable is the height of the plant, and the dependent variable is the number of pieces of fruit the plant produces.

Question 18 (5 points)
Identify the independent and dependent variables in the following situation: The temperature of the water decreases as a diver descends to the bottom of a lake.

Question 18 options:

The independent variable is the depth below the surface of the lake, and the dependent variable is the temperature of the water.

The independent variable is the type of boat, and the dependent variable is the temperature of the water.

The independent variable is the temperature of the water, and the dependent variable is the depth below the surface of the lake.

The independent variable is the speed at which the diver descends, and the dependent variable is the temperature of the water.

Question 19 (5 points)
Leslie is buying Girl Scout cookies for $5 per box. Which equation represents the situation? Let c represent the total cost and b represent the number of boxes purchased.

Question 19 options:

b = 5c

c = 5 + b

b = 5 + c

c = 5b

Question 20 (5 points)
Evaluate the expression: −(8 − 12) + 60 + (−4)2.

Question 20 options:

21

13

20

−11

Question 21 (5 points)
Which value is a solution to the inequality 2x − 5 < −12?

Question 21 options:

3

−4

0

−2

Question 22 (5 points)
The population of people in a town increases by 100 each year. Which equation represents the situation? Let p represent the amount the population has increased and t represent the number of years.

Question 22 options:

t = 100 + p

t = 100p

p = 100 + t

p = 100t