Exponents and Radicals

Which is GREATER?
2⁷ or 7²

• 2⁷

• 7²

• Neither, they are equal

Simplify
(3x³y⁵)⁴

• 3x¹²y²⁰

• 81x¹²y²⁰

• 12x¹²y²⁰

• 81x⁷y⁹

• 81x²⁸/y⁸
• 12x²⁸/y⁸
• 3x¹¹/y⁶
• 3x²⁸/y⁸

Q1. What is the value of 2¹⁸?

• A) 2¹⁸

• B) 2¹¹

• C) 2⁷

• D) 2^-40

Solve.

• -14

• 14

• no solution

• 28

x = 81

x = -9

x = 9

x = -81

• x = 81

• x = -9

• x = 9

• x = -81

 Solve the equation.

• 36

• 18

• -18

• 27

Solve

• -14

• 14

• no solution

• 28

To undo a square root in an equation, you need to...

• multiply both sides by 2

• square both sides

• take the square root of both sides

• divide both sides by 2

Sovle for x.

5^{-3x - 1} = 25

Mathematical Equivalence

ON