AA College Mathematics 2

Question 1

What is the greatest common factor (GCF) of 24 and 36?

Accepted Answer

12

Answer

The factors of 24 include 12, and the factors of 36 include 12; 12 is the largest factor they share.

Question 2

If a rectangle has a length of 8 cm and a width of 5 cm, what is its area?

Accepted Answer

40 cm²

Answer

Area of a rectangle = length × width = 8 × 5 = 40 cm².

Question 3

Which of the following is an irrational number?

Accepted Answer

√2

Answer

√2 ≈ 1.41421… is a non-terminating, non-repeating decimal, making it irrational.

Question 4

What is 15% of 200?

Accepted Answer

30

Answer

15% of 200 = 0.15 × 200 = 30.

Question 5

In a right triangle, if one leg is 3 and the other is 4, what is the hypotenuse?

Accepted Answer

5

Answer

Using the Pythagorean theorem: 3² + 4² = 9 + 16 = 25, so the hypotenuse = √25 = 5.

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