Add Subtract Monomials With Exponents

According to exponent rules, when we multiply expressions with same bases we _______ the exponents.

• add

• subtract

• multiply

• divide

Simplify: 8x² + 3x²

• 11x⁴

• 24x⁴

• 11x²

• 24x⁴

According to exponent rules, when we divide powers we _______ the exponents.

• add

• subtract

• multiply

• divide

Simplify         m¹²/ m³

• m^12-3  = m⁹

• m^12/3  = m⁴

• m^-9

• -m⁹

2x² + 3y - 2x + 5y + 2x

• 2x² + 8y

• 2x + 8y

• 2x + 5y

• 2x² + 4x + 8y

-20x⁶ -10x⁶

Mathematical Equivalence

OFF

Add or Subtract to Simplify:
(5x + x² - 4) - (4x - x² + 6)

• 2x² + x + 2 

• x + 2

• 2x² + x - 10 

• x - 10 

-20x⁶ + (-10x⁶)

• 10x¹²

• -30x⁶

• -10x⁶

• -30x¹²

True or False? Variables and exponents MUST be the same in order to add or subtract the terms.

• True

• False

When multiplying monomials, what do you do with the exponents on variable terms?

• Add them

• Subtract them

• Multiply them

• Divide them