Parts of an Expression Course Recovery

What are terms in an expression?

• A letter that represents an unknown amount

• A number that is multiplied to a variable

• A number that does not have a variable and does not change

• Parts of an expression separated by operation signs.

What is a constant?

• A letter that represents an unknown amount

• A number that is multiplied to a variable

• A number that does not have a variable and does not change

• Parts of an expression separated by operation signs.

The number you see before a variable (Example: 6z, the 6 is the ________)

• coefficient
• variable
• term
• product

A symbol for a number we don't know yet. This is usually a letter.

• coefficient
• sum
• variable
• term

How many coefficients are in 12x + 7y - 2

• 1
• 2
• 3
• 4

What are the variables in the following expression: 3z + 4x - 1 + 7y

• 3, 4, 1 and 7
• z, x and y
• + and -
• 15

Identify a constant in the expression
3x + 2y + 7

• 3
• 2y
• 7
• 2

How many terms are in the expression
3x + 2y + z

• 5
• 2
• 4
• 3

Identify the variables in the expression
3x +  9

• x
• y
• 9
• 3x

How many terms are in the expression
3a + 2b + c + 100

• 3
• 4
• 5
• 6