Question

What description represents the expression 5x -9?

A: 9 is subtracted from the product of 5 and a number

B:9 more then the product of 5 and a number

C: 9 is subtracted from the sum of 5 and a number

D: 5 times the difference of a number 9

Answer 1

A: 9 is subtracted from the product of 5 and a number.

Explanation:

We know this because when a varible is place directly next to a number then the number is being multiplied by an unknow number. So in this equation five is being multiplied by an unknown number and nine is being subtracted from that.