Introducing Variables in Algebra

A variable is used to represent a number. 

• True
• False

____________ each part of an algebraic equations separated by a plus, minus or equal sign.

• coefficient
• term
• expression
• equation

__________ the number being multiplied by a variable.

• term
• equation
• constant
• coeffiecient

______ is a term that is not multiplied by a variable.

• constant
• term
• expression
• variable

Which of the following is an example of an expression?

• 9 + w = 19
• 3z = 27
• 8 + d
• 5t + 2 = 20

Which is an example of a variable in the following equation?
9g + 3 = 60

• 9
• g
• 3
• 60

________________ contains variables, numbers, and at least one operation.

• term
• equation
• constant
• expression

Name the coefficient in the following equation.
8 = 2y + 3

• y
• 2
• 3
• 8

What is the constant in the following expression?
9 + 3w

• 1
• 9
• 3
• w

How many terms are in the expression
5y - 3rx + 7

• 1
• 2
• 3
• 4