Mixed Practice of Adding, Subtracting, Multiplying and Dividing Monomials

Simplify: x ∙ x ∙ x ∙ x ∙ x  ∙ x

• x⁶
• 6x
• x³
• 6x⁶

When adding or subtracting monomials, the variables and their exponents do not change?

• True

• False

When adding or subtracting monomials, you need to...

• Multiply the exponents

• Add the exponents

• Subtract the exponents

• Combine the like terms

3x + 2x

• 5x

• x

• 6x

• 5

-4x - 10x

• -14
• 6x
• -6x
• -14x

3x + 2x + 3y - 7y

• 5x + 10y

• 5x + 4y

• 5x - 4y

• 5x -10y

2x + 1 + 7x

• 10x

• 10

• 9x + 1

• 9 + 1x

-10x + 15 - 3x + 2

• 13x² + 17

• -13x² + 13

• -13x + 17

• -7x + 17

5a + 2b - 3a + 4

• 8a + 2b + 4

• 2a + 2b + 4

• 8ab

• 4ab + 4

According to the product rule, when we multiply the expressions, we need to _______ the exponents.

• add

• subtract

• multiply

• divide