Algebraic Expressions (Parts of an Expression and Simplifying)

An expression that contains variables, numbers, and at least one operation.

• COEFFICIENTS

• VARIABLE

• ALGEBRAIC EXPRESSION

A symbol that represents an unknown quantity.

• VARIABLE

• CONSTANT

• TERM

Parts of an algebraic expression that are separated by addition or subtraction signs.

• COEFFICIENTS

• TERMS

• CONSTANTS

Terms that contain the same variable to the same power. They can also be terms without a variable.

• COEFFICIENTS

• LIKE TERMS

• CONSTANTS

Terms without a variable.

• COEFFICIENT

• CONSTANT

• VARIABLE

Identify the TERMS in the expression:

2 + 3a + 9a

• 3, 9

• 2

• a

• 2, 3a, 9a

Identify the TERMS in the expression:

9 - z - 3 - 2z

• 9, z, 3, 2z

• 9, -z, 3, -2z

• 9, -z, -3, 2z

• 9, -z, -3, -2z

Identify the CONSTANTS in the expression:

7 - 5x + 1

• -5

• 7, 1

• -5x

Identify the CONSTANTS in the expression:

4 + 5y - 6y + y

• 5, -6, 1

• 4

• y

Identify the COEFFICIENTS in the expression:

2 + 3a + 9a

• 2, 3, 9

• 3, 9

• 2

• 3a, 9a