Algebraic Expressions and Word Phrases

A numerical expression is:

• A mathematical phrase that contains operations, numbers, and variables.

• A mathematical phrase that contains operations and numbers.

• Terms with the same variable raised to the same exponents.

An algebraic expression is:

• A mathematical phrase that contains operations, numbers, and variables.

• A mathematical phrase that contains operations and numbers.

• Terms with the same variable raised to the same exponents.

A Term is:

• The number that is multiplied by the variable in an algebraic expression.

• The value that does not change.

• The parts of an expression that are added or subtracted.

• A mathematical phrase that contains operations, numbers, and/or variables.

Like Terms are:

• The number that is multiplied by the variable in an algebraic expression.

• The value that does not change.

• Terms with the same variable raised to the same exponent.

• A mathematical phrase that contains operations, numbers, and/or variables.

A Coefficient is:

• The number that is multiplied by the variable in an algebraic expression.

• The value that does not change.

• The parts of an expression that are added or subtracted.

• A mathematical phrase that contains operations, numbers, and/or variables.

A Variable :

• is the number that is multiplied by the variable in an algebraic expression.

• is the value that does not change.

• is a letter that represents a number we do not know yet.

• always has a coefficient.

A Constant is:

• The number that is multiplied by the variable in an algebraic expression.

• The value that does not change.

• The part of an expression that are added or subtracted.

• The number with no variable attached.

Identify the coefficient in the expression 9x + 4.

• 4

• x

• +

• 9

Identify the variable in the expression 12m - 10.

• 12

• m

• -

• 10

Which of the following choices is an example of an algebraic expression?

• 8 - 7

• 12y - 9

• 9 + 12

• 3(8 - 5)