Chapter 1.4, Problem 1WE

To determine

To write: A variable expression from the phrase “10 more than a number”.

Answer to Problem 1WE

The variable expression from the phrase “10 more than a number” is $x+8$ .

Explanation of Solution

Given information:

The phrase is 8 more than a number.

The given phrase is “8 more than a number”.

The algebraic expression involves the variables and the mathematical operations where operation can be represented by the most commonly symbols $+,-,\times ,÷,\left(\right)$ .

Consider the variable $x$ as the number.

The word “more than” corresponds to addition mathematical operations whose symbol is $+$ .

First write the variable then write the mathematical operation whose symbol is $+$ then insert the constant $8$ to translate the phrase into mathematical expression.

  $x+8$

Therefore, the mathematical expression is $x+8$ .