Question

1. Write the algebraic expression the best represents the word description the product of 9 and the sum of a number and 4

Answer 1

Given statement:

The product of 9 and the sum of a number and 4

We write each phrase using mathematical symbols and then combine:

The sum of a number and 4:

Let the number be x

`=x\text{ + 4}`

The product of 9 and the sum of a number and 4:

`=\text{ 9 }*\text{ \lparen x + 4\rparen}`

Answer: 9(x + 4)