CSET CSET Mathematics: Number Theory and Algebra

Question 1

Which of the following is the prime factorization of 360?

Accepted Answer

2³ × 3² × 5

Answer

2² × 3³ × 5

Answer

2³ × 3 × 5²

Answer

2 × 3² × 5²

Question 2

What is the greatest common divisor (GCD) of 84 and 120?

Accepted Answer

24

Answer

6

Answer

12

Answer

42

Question 3

Which property is illustrated by a(b + c) = ab + ac?

Accepted Answer

Distributive property

Answer

Commutative property

Answer

Associative property

Answer

Identity property

Question 4

If f(x) = 3x² − 2x + 1, what is f(−2)?

Accepted Answer

17

Answer

9

Answer

13

Answer

21

Question 5

Which of the following sets is closed under multiplication?

Accepted Answer

Even integers

Answer

Odd integers

Answer

Irrational numbers

Answer

Prime numbers

Question 6

What is the solution set of |2x − 4| ≤ 6?

Accepted Answer

−1 ≤ x ≤ 5

Answer

x ≤ 5

Answer

x ≥ −1

Answer

−5 ≤ x ≤ 1