Simplifying Algebraic Expressions Major

What are the terms in the expression?
-4x + 6y - 2

• -4x, 6y, -2
• x, y
• 4x, 6y
• -2

What are the variables in the expression?
-4x + 6y - 2

• -4x, 6y, -2
• x, y
• 4x, 6y
• -2

Simplify:

15x + 2 - 5x + 6

• 5x + 8

• 15x + 8

• 10x + 8

• 17x + 11

Simplify:

10y + 2y + 3 + 4

• 13y + 6

• 12y + 7

• 19y

• 12y + 1

Which answer choice contains ALL like terms?

• -4x, 2x, 3x
• -4x, 2, 3y
• 4x², 2x
• 14, 4x

• Can't be simplified

Simplify by combining like terms:
4x² - 3x + 11 -2x

• 4x² - 5x + 11
• 11x + 11
• 16x² - 5x + 11
• 10x²

True or False:
u³and u² are like terms.

• True 
• False

Simplify the Expression. 
9z  - 21 - 3z + 10

• Simplified
• 9z - 21 - 7
• 9z - 11 -3z
• 6z - 11

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

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