Simplifying Expressions with Multiple Variables and Exponents

• pq

• 1

• 0

Simplify each expression:
1 + 7(1-3b)

• 8 - 21b

• 8b

• 1 + 10b

• 1 + -14b

Simplify each expression:
9r - 5 + 10r

• 14r

• r + 5

• 19r - 5

• 19r + 5

Simplify each expression:
15ab + 3ba -3 + 2ab

• 17ab

• 20ab - 3

• 16ab - 3

• 3

Simplify each expression:
8(5b + 7) + 5b

• 101b

• 50b + 7

• 45b + 56

• 45b + 7

When a problem is asking us to multiply expressions, what do we do with exponents of like bases?

• add them

• multiply them

• subtract them

• do nothing to them

When a problem asks us to divide expressions, what do we do with exponents with like bases?

• add them

• multiply them

• subtract them

• do nothing to them

When an expression asks us to raise it to a power, what do we do with the exponents?

• add them

• multiply them

• subtract them

• do nothing to them

It is not proper to write answers with negative exponents. How do we "take care of" negative exponents?

• Write no solution if there is a negative exponent

• Just leave the negative exponent. It is mathematically okay.

8 x 8 x 8 x 8 x 8 x 8 x 8 x 8 x 8

• 8⁹

• 9⁸

• 10⁸

• 8¹⁰