Simplify
Which value is equivalent to 5 - 2(3)2 + 4?
A. -27
B. 5
C. -9
D. 31
C. -9
Solve for k.
7 = k − (–1)
k = 6
At a store, each avocado costs $0.65. Which inequality represents the number of avocados, n, a customer can buy with $10.00?
A. 0.65n ≥ 10
B. 10n ≤ 0.65
C. 0.65n ≤ 10
D. 10n ≥ 0.65
C. 0.65n ≤ 10
What is the prime factorization of 20?
A. 2 x 2 x 5
B. 2 x 2 x 2 x 5
C. 2 x 4 x 5
D. 2 x 2
A. 2 x 2 x 5
Which expression is equivalent to 10 + 54?
A. 10 + 5 ⋅ 4
B. (10 + 5)4
C. (10 + 5) ⋅ 4
D. None of these
D. None of these
Simplify 9 × 32 ÷ 9 – 4
5
Solve for f.
–f = –4
f = 4
An inequality is shown.
9w < 108
What is the solution to this inequality?
A. w > 1/12
B. w < 12
C. w < 1/12
D. w > 12
B. w < 12
What is the prime factorization of 16?
A. 2 x 2 x 2 x 2 x 2
B. 2 x 2 x 2 x 2
C. 2 x 2 x 4
D. 2 x 2 x 2
B. 2 x 2 x 2 x 2
Which expression is equivalent to (3p + 2) ⋅ 7?
A. 3p + 9
B. 3p + 14
C. 21p + 2
D. 21p + 14
D. 21p +14
Simplify 53 – 30 ÷ 3 + 42
131
Solve for r.
r + 4 = –5
r = -9
Once Farid spends 15 minutes on a single level in his favorite video game, he loses a life. He has already spent 10 minutes on the level he's playing now.
Let x represent how many more minutes Farid can play on that level without losing a life. Which inequality describes the problem?
A. 10 + x > 15
B. 10 + x < 15
C. 15 + x > 10
D. 15 + x < 10
B. 10 + x < 15
What is the prime factorization of 48?
24 x 3 or 2 x 2 x 2 x 2 x 3
Which expression is equivalent to (6 ⋅ p) + 3?
A. 3 - (6 ⋅ p)
B. 3 + (p ⋅ 6)
C. 6 + 3 ⋅ p
D. 6 ⋅ (p + 3)
B. 3 + (p ⋅ 6)
Simplify 6 – 12 ÷ 4 + 92 × 2
165
What value of x makes this equation true?
-90 = -100 + x
A. -10
B. 10
C. -190
D. 190
B. 10
Darren is making veggie burgers for his family. He will use all the burger mix he made to form 4 burgers of equal weight. The recipe only makes 32 ounces of burger mix, but Darren made more than that to make extra-big burgers.
Let x represent how much each of Darren's burgers will weigh. Which inequality describes the problem?
A. 4x > 32
B. 4x ≥ 32
C. 4x < 32
D. 4x ≤ 32
A. 4x > 32
What is the prime factorization of 72?
23 x 32 or 2 x 2 x 2 x 3 x 3
Which two expressions are equivalent?
A. 4 + (3 ⋅ y) and (4 + 3) ⋅ y
B. (18 ÷ y) + 10 and 10 + (y ÷ 18)
C. 12 - (y ⋅ 2) and 12 - (2 ⋅ y)
D. (10 - 6) ÷ y and 10 - (6 ÷ y)
C. 12 - (y ⋅ 2) and 12 - (2 ⋅ y)
18 ÷ 6 + 82 × 3 + 25
227
An equation is shown.
8x - 2x = 48
What is the solution to the equation?
A. x = -8
B. x = 1/8
C. x = 8
D. x = -1/8
C. x = 8
Mr. Brown is splitting his students into groups to give presentations about novels they read. He wants each group to have 4 students. There are fewer than 24 students in class today, so Mr. Brown can't make as many full groups as he had planned.
Let x represent how many full groups Mr. Brown can make. Which inequality describes the problem?
A. 4x > 24
B. 4x ≤ 24
C. 4x < 24
D. 4x ≥ 24
C. 4x < 24
What is the prime factorization of 660?
22 x 3 x 5 x 11
Which two expressions are equivalent?
A. 3(2x + 5) and 6x + 5
B. 2 (3x+5) and 6x+15
C. 3(2x+5) and 6x +10
D. 2 (3x+5) and 6x+10
D. 2 (3x+5) and 6x+10