Algebraic Expressions Review

Simplify: 6b + 7b - 10

• 3b
• 13b - 10
• 13b² - 10
• 3b²

Simplify   6(x - 2)

• 6x + -2
• 6x - 12
• 4x
• 6x - 2

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

A number on its own

• term
• constant
• coefficient
• variable

Equations must have an

• ≠
• =
• ≤
• ≥