Bell Work 2/3

n -10 +9n -3=

• -3
• 9n-3
• n
• 10n -13

What is a constant?

• A term with no variables.

• A number.

• A term with numbers and variables.

• A letter.

Identify the variables in the expression
3x +  9

• x
• y
• 9
• 3x

Simplify this expression (combine like terms):
 x + x + x + x

• 4 - x
• 4x
• x
• x+4

5x + 3y + 5 + 4x + 3y + y + 8

• 9x + 7y + 13
• 6x + 2y + 2
• 25x + 2y + 3
• x + 7y + 12

Simplify the following expression:
3 + 5x + 8 - 2x

• -3x² - 11
• 3x² + 11
• 11 - 3x
• 11 + 3x

Simplify the following expression:
(5 + 4x) + (2x - 8)

• 13 + 6x
• 6x - 3
• 6x - 13
• 6x + 3

Simplify the expression: 2x + 1 + 7x 

• 10x
• 10
• 9x + 1
• 9 + 1x

Combine like terms
3x + 2x + 3y - 7y

• 5x + 10y
• 5x + 4y
• 5x - 4y
• 5x -10y

-3x + 11y - 4x

• 7x + 11y

• -7x + 11y

• 7x - 11y

• 4xy