For the description​ below, choose a variable name for the given quantity. Give two numbers that the variable can represent and two numbers that it cannot represent.

Question

The height​ (in inches) of a bookcase

Which of the following would be a proper variable name for the height of a​ bookcase?

a. 5

b. h

c. √5

d. π

Choose two numbers that the variable for the height​ (in inches) of a bookcase can represent from the following list. Choose all that apply.

a. -71

b. 62

c. 71

d. 10204

Choose two numbers that the variable for the height​ (in inches) of a bookcase cannot represent from the following list. Choose all that apply.

a. 63

b. 31169

c. π

d. 71

Answer 1

Hello, Nikki,

The questions are confusing to me. They state "Pick two numbers," but then conclude at the end of the question "Choose all that apply." I can only do my best, as noted.

The height​ (in inches) of a bookcase

Which of the following would be a proper variable name for the height of a​ bookcase?

a. 5 - Numbers are not variables - they are fixed.

b. h - I like "h," since it can stand for height.

c. √5 - a number

d. π - also a number

Choose two numbers that the variable for the height​ (in inches) of a bookcase can represent from the following list. Choose all that apply.

a. -71 - How does a bookcase have negative height?

b. 62 -sounds good

c. 71 - reasonable, also

d. 10204 - This is 850.3 feet. Only a new Presidential Library could handle this height, and it only needs to hold three books. Unreasonable

Choose two numbers that the variable for the height​ (in inches) of a bookcase cannot represent from the following list. Choose all that apply.

a. 63

b. 31169 - too tall

c. π - too short

d. 71

Bob