Question

Which phrase represents the algebraic expression 5x - 9?

A. the product of five times a number and nine
B. the difference of nine times a number and five
C. the sum of five times a number and five
D. the difference of five times a number and nine

Answer 1

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Answer:

D. the difference of five times a number and nine

Explanation:

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Answer 2

D. the difference of five times a number and nine

Explanation:

"Five times a number" is written as 5x. This is because the number itself is unknown, so we use a variable.

"Difference" means subtraction; thus "The difference of five times a number and 9" would be 5x-9.