1)
c m
10 80
20 160
30 240
40 320

Ramsey's dad owns a dairy farm. The table shows the relationship between the number of cows, c, and the gallons of milk, m, produced each day.

Based on this information, which is the independent variable and the dependent variable?
A) Both cows and milk are independent variables.
B) Both cows and milk are dependent variables.
C) The independent variable is milk, and the dependent variable is cows.
D) The independent variable is cows, and the dependent variable is milk.
2)
An inequality is shown below.

x + 3.5 < 20

What is the greatest value of x from the set {12.5, 14.5, 16.5, 18.5} that makes the inequality true?
A) 12.5
B) 14.5
C) 16.5
D) 18.5
3)

Write an equation that gives the proportional relationship of the graph.
A) y =
1
7
x
B) y = 7x
C) y = 8x
D) y = 56x
4)
Which expression is equivalent to 25 × 4?
A) 4 × 25
B) (20 + 4) × 5
C) 20 × 5 × 4
D) (20 + 5) × (20 + 4)
5)
Solve.
x - 32 = 73
A) x = 41
B) x = 105
C) x = 2336
D) x = 2
9
32
6)
Which expression is equivalent to 125 in exponential form?
A) 5 × 5 × 5
B) 5 × 25
C) 53
D) 35
7)
The circumference (C) of the base of a grain silo is 160 feet. To the nearest tenth, what is the radius (r) of the silo? (C = 2πr)
A) 18.5 feet
B) 25.5 feet
C) 50.9 feet
D) 64.8 feet
8)
Which number from the set {10, 11, 13, 14} is a solution for this inequality?

10x + 7 − 7x < 40
A) 10
B) 11
C) 13
D) 14
9)
Which graph corresponds with the inequality x < 10 ?
A) A
B) B
C) C
D) D

* Hover over answer image to enlarge
10)
For all values of x, which expression is equivalent to 4x + 2x − 5x + 3x?
A) 3x
B) 4x
C) 5x
D) 6x
11)
Which expression is equivalent to 3(6x + 1) for all values of x?
A) 3 · 6x + 3 · 1
B) 3 · 6x + 3 + 1
C) 9x + 4
D) 18x + 1
12)
On a math quiz, you earn 10 points for each question answered correctly. In the equation below, x represents the number of questions that you answer correctly on this quiz, and y represents the total number of points you score on this quiz. The relationship between these two variables is modeled by the equation y = 10x.

What is the dependent variable?
A) The value of 10 in the equation.
B) The total number of points scored on the exam.
C) The number of questions answered correctly on the exam.
D) The dependent variable cannot be determined from the given information.
13)
Write the expression: the sum of the quantity h and 3 divided by 6.
A)
h
6
+ 3
B)
h
3
+ 6
C)
h + 3
6
D)
6
h + 3
14)
Which expression is equivalent to 2401 in exponential form?
A) 47
B) 74
C) 7 × 4
D) 7 × 7 × 7 × 7
15)

Which inequality matches the graph?
A) x > 3
B) x < 3
C) x ≤ 3
D) x ≥ 3
16)
Which expression is equivalent to 2(x + 5) for all values of x?
A) 2x + 5
B) x + 10
C) 2x + 7
D) 2x + 10
17)
Solve for x.
x - 1
2
= 4
A) 1
B) 3
C) 7
D) 9
18)
Write an expression for the operation described.

"
1
2
of 5 less than 10"
A) 2 ÷ (10 − 5)
B) (10 − 5) ÷ 2
C)
1
2
÷ (10 − 5)
D) (10 − 5) ÷
1
2
19)
Evaluate the expression.

(6 + 2)3 ÷ 42
A) 4
B) 6
C) 32
D) 64
20)
Which inequality is true for x = 2?
A) 6x + 20 < 29
B) 7x − 10 < 11
C) 14x + 10 < 37
D) 15x − 18 < 12