• 10

• 7

• 20

• 39

• 105

• 42

• 51

A number that is multiplied by a variable. In the expression 4x+3, the number 4 would be the ________.

• variable

• term

• factor

• coefficient

A letter that stands for an unknown number. In the equation 4x+3, x would be the ________.

• variable

• coefficient

• term

• constant

Stays the same. In the expression 4x+3, the number 3 is the ______.

• variable

• constant

• coefficient

• substitute

The result of addition

• difference

• product

• sum

• quotient

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

2 times a number

7 less than a number d

• 7 - d
• d - 7

What is a variable in Algebra?

• The answer to an equation

• An unknown value

• An equation

• A numeric expression