Expressions and Equations
Inequalities
Literal Equations
Functions
Comparing Functions
100
What is the coefficient in the expression 7x + 4?
A. 4
B. 7
C. x
D. 11
B. 7
100
Which symbol represents "greater than or equal to"?
A. >
B. <
C. ≥
D. ≤
C. ≥
100
In the formula A = lw, what does “w” represent?
A. Area
B. Width
C. Weight
D. Length
B. Width
100
Which of the following best describes a function?
A. One input can have many outputs
B. Inputs and outputs must be equal
C. Each input has exactly one output
D. Outputs repeat, but inputs do not
C. Each input has exactly one output
100
Function A: A taxi charges a flat fee of $5 and $2 per mile.
Function B: y=3x
Which function has a higher rate of change?
A. Function A
B. Function B
C. They have the same rate of change
D. Not enough information
B. Function B
200
Which expression represents “5 less than three times a number x”?
A. 5 – 3x
B. 3x – 5
C. 5x – 3
D. 3 – 5x
B. 3x – 5
200
Ashley wants to save at least $100. She already has $40. If she saves $10 per week, which inequality shows how many weeks (w) it will take her to meet her goal?
A. 10w + 40 < 100
B. 10w + 40 ≥ 100
C. 40 – 10w ≥ 100
D. 10w ≥ 100
B. 10w + 40 ≥ 100
200
Solve the formula A = bh for b.
A. b = A – h
B. b = A + h
C. b = A ÷ h
D. b = A × h
b = A ÷ h
200
Is this table a function?
A. Yes, because all outputs are different
B. No, because the input 4 has more than one output
C. Yes, because the input values are all numbers
D. No, because the table has five rows
B. No, because the input 4 has more than one output
200
Function A (Table):
Function B: y=3x+1
Which function has the greater initial value?
A. Function A
B. Function B
C. Both are equal
D. Cannot determine
A. Function A (initial value is 4; B’s is 1)
300
Solve: 4(x – 2) = 2x + 6
A. x = 7
B. x = 2
C. x = –7
D. x = 6
A. x = 7
300
Solve: x – 5 > 12
A. x > 7
B. x > 17
C. x < 7
D. x < 17
x > 17
300
Solve for h in the formula A = ½bh.
A. h = A ÷ b
B. h = 2A ÷ b
C. h = b ÷ A
D. h = ½A ÷ b
B. h = 2A ÷ b
300
Which set of ordered pairs represents a function?
A. {(1, 2), (1, 3), (2, 4)}
B. {(0, 0), (2, 1), (4, 2)}
C. {(5, 1), (5, 2), (6, 3)}
D. {(3, 7), (3, 7), (3, 8)}
B. {(0, 0), (2, 1), (4, 2)}
300
Function A: Graphed line passes through (0, 2) and (2, 6)
Function B: y=2x+4
Which function has the greater rate of change?
A. Function A
B. Function B
C. Same rate
D. Not enough info
A. Function A
400
What is the solution to the equation 2x + 3 = 2x – 5?
A. x = –4
B. No solution
C. x = 4
D. Infinite solutions
B. No solution
400
Solve: 3(x + 2) ≤ 18
A. x ≤ 4
B. x ≥ 4
C. x ≤ 5
D. x ≥ 5
A. x ≤ 4
400
Solve for y: 3x – 4y = 12
A. y = ¾x – 3
B. y = –¾x + 3
C. y = (3x + 12)/4
D. y = (3x – 12)/4
B. y = –¾x + 3
400
D
400
Function A (Table):
Function B: Starts at $5 and increases by $2 each day.
Which function has the greater rate of change?
A. Function A
B. Function B
C. Same rate
D. Not enough info
A. Function A
500
Which step is justified by the Distributive Property in solving the equation 3(x – 4) = 2x + 1?
A. Subtracting 2x from both sides
B. Multiplying both sides by 3
C. Rewriting 3(x – 4) as 3x – 12
D. Adding 4 to both sides
C. Rewriting 3(x – 4) as 3x – 12
500
Solve the compound inequality:
–3 < 2x – 1 ≤ 5
A. –1 < x ≤ 3
B. 2 < x ≤ 4
C. –2 < x < 3
D. –1 ≤ x < 2
–1 < x ≤ 3
500
Solve for r: V = πr²h
A. r = √(V/πh)
B. r = V/πh
C. r = V²/πh
D. r = √(πh/V)
A. r = √(V/πh)
500
You are given the rule: “2x - 3.” Which output corresponds to an input of 5?
A. 10
B. 8
C. 7
D. –1
C. 7
500
Function A: A graph shows a line starting at (0, 4) and passing through (2, 10).
Function B (Table):
Which function has the greater initial value and rate of change?
A. Function A has greater initial value and rate
B. Function B has greater initial value and rate
C. Function A has greater initial value; B has greater rate
D. Function B has greater initial value; A has greater rate
C. Function A has greater initial value (4 vs. 3); B has greater rate (4 vs. 3)