Question

Represent the following sentence as an algebraic expression, where "a number" is the letter x.
The sum of a number and 9.

Answer 1

The algebraic expression for "the sum of a number and 9" is \( x + 9 \).

Answer 2

Represent the following sentence as an algebraic expression, where "a number" is the letter x.
Five times a number.

Answer 3

The algebraic expression for "five times a number" is \( 5x \).

Answer 4

x/5 or 5/x or 5x

Answer 5

Here’s a clarification of the expressions you mentioned:

1. \( \frac{x}{5} \): This represents "a number x divided by 5."
2. \( \frac{5}{x} \): This represents "5 divided by a number x."
3. \( 5x \): This represents "five times a number x."

Since you initially asked for "five times a number," the correct expression is \( 5x \).

Answer 6

Represent the following sentence as an algebraic expression, where "a number" is the letter x.
A number minus 3.

Answer 7

The algebraic expression for "a number minus 3" is \( x - 3 \).

Answer 8

Represent the following sentence as an algebraic expression, where "a number" is the letter x.
9 times a number.

Answer 9

The algebraic expression for "9 times a number" is \( 9x \).