Prealgebra Like Terms Adding Exponents

Like terms have the same variables and the same exponents.

• true

• false

Identify the "like terms" in the expression: 
2x + 4y - 3x + y - x

• 2x and 4y and -3x
• 2x and -3x and x
  4y and y 
• they are all like terms
• there are no like terms

Are -c and 4c like terms?

• Yes
• No

Are x + y like terms?

• Yes
• No

Are 7a and 4a like terms?

• Yes
• No

Identify the like terms: 7y + 5r -4r + 2w +r

• 7y and 2w

• 5r ,-4r, and r

• 5r abd r

• none

Which expression is equivalent to
v + v + v + v + v?

• 5v
• v⁵
• v + 5
• v5

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

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

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

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

Simplify by combining like terms:

-6k + 7k

• k

• -k

• 12k

• -12k