Algebra Review

Front

Simplify this expression (combine like terms): 3x + 3 - 1

Back

3x + 2

Front

What is the algebraic expression for the phrase "5 more than 3 times a number?"

Back

5 + 3x

Front

What is the expression for this word problem: five years less than Tracy's age (a=Tracy's age)?

Back

a - 5

Front

Write 11 x 11 as an exponent, then solve.

Back

121

Front

What is the expression for this word problem: 6 more hours per week than Theodore studies (t=hours that Theodore studies)?

Back

6 + t

Front

What is a variable in algebra?

Back

A symbol (often a letter) that represents an unknown value.

Front

What does it mean to simplify an expression?

Back

To combine like terms and reduce the expression to its simplest form.

Front

What is the distributive property?

Back

a(b + c) = ab + ac, distributing a across the sum.

Front

What is an equation?

Back

A mathematical statement that two expressions are equal.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equal sign, while an equation does.