Like and unlike terms

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 3x and 3 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

True or False:
y and 14 are like terms.

• True 
• False

True or False:
u³and u² are like terms.

• True 
• False

What are the like terms in the following expression?
4x² - 3x - 2x

• -3x, -2x
• 3x, 2x
• -3x, 2x
• 3x, -2x