2QMATH7_LONG QUIZ

Which of the following is a prime number?

• 15

• 21

• 23

• 33

What is the square root of 81?

• 7

• 8

• 9

• 10

What is the cube root of 27?

• 2

• 3

• 4

• 5

What is the next prime number after 13?

• 14

• 15

• 16

• 17

Which of the following best describes a perfect square?

• A number that is a multiple of 3.

• A number that has three equal factors.

• A number that can be expressed as the product of two different integers.

• A number that can be expressed as the product of an integer multiplied by itself.

What is the definition of a perfect cube?

• A number that is a multiple of 3.

• A number that can be divided evenly by 3.

• A number that is the result of adding an integer to itself three times.

• A number that can be expressed as the product of an integer multiplied by itself three times.

Which of the following numbers is NOT a perfect square?

• 4

• 25

• 64

• 99

If the cube of a number is 8, what is the number?

• 2

• 4

• 6

• 8

Which of the following units is NOT used to measure weight?

• lb

• oz

• in

• kg

Which of the following is true?

• 1 cm > 1 in

• 1 ft > 1 yd

• 1 lb > 1kg

• 1 gal > 1L