combining like terms

3 + 12c - 4c 

• 16c + 3 
• 8c + 3 
• 5c 
• 8c 

5x² + 7x² + 4

• 35x² - 4

• 2x² -4

• 12x² + 4

• 12x² - 4

The number in front of a variable is the _____.

• term
• constant
• coefficient
• variable

If   x=5
what is
2x+2

• 7
• 12
• 4
• 10

2r + 2 + 5r + 2 + r 

• 8r + 4

• 8r - 4 
• 12r 
• 7r + 4 + r 

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

If x=2 and y=4
what is 
3x+y

• 10
• 11
• 12
• 13

How many terms are in the following expression?
8n + 2 - 7x

• 1
• 2
• 3
• 4

Simplify: 7t - 3t + t - 3t

• 2t

• 8t - 6t

• 14t

• Can't be simplified

What is/are the constant(s) of 2x + 9 + 7x?

• 2, 9, 7
• 2, 7
• 2x, 7x
• 9