Quiz about SBA#3 Review #2 Rational Exponents and Radicals

Question 1

Scotland's national animal is...

Accepted Answer

unicorn

Answer

black bear

Answer

eagle

Answer

polar bear

Question 2

$$\frac{x^{\frac{5}{3}}}{x^{\frac{1}{3}}}$$ Simply.

Accepted Answer

$$\sqrt[3]{x^4}$$

Answer

$$x^{\frac{3}{4}}$$

Answer

$$x^2$$

Answer

$$x^4$$

Question 3

Simplify: $$\sqrt[]{28}$$

Accepted Answer

$$2\sqrt[]{7}$$

Answer

$$3\sqrt[]{7}$$

Answer

14

Answer

$$8\sqrt[]{5}$$

Question 4

Select the two equivalent answers. $$\frac{\sqrt[]{16}}{\sqrt[]{81}}$$

Accepted Answer

$$\frac{4}{9}$$

Accepted Answer

$$\frac{16^{\frac{1}{2}}}{81^{\frac{1}{2}}}$$

Answer

$$\frac{8}{9}$$

Answer

$$\frac{4^{\frac{1}{2}}}{9^{\frac{1}{2}}}$$

Answer

$$\frac{2}{3}$$

Question 5

Select all of the equations that are true?

Accepted Answer

$$\sqrt[]{81}=3^2$$

Accepted Answer

$$8^{\frac{1}{3}}=\sqrt[]{4}$$

Accepted Answer

$$32^{\frac{2}{5}}=8^{\frac{2}{3}}$$

Answer

$$\sqrt[]{100}=50$$

Answer

$$\sqrt[3]{8}=4$$

Question 6

The most expensive university is....

Accepted Answer

University of Chicago

Answer

Yale

Answer

Brown

Answer

Cal Poly Pomona

SBA#3 Review #2 Rational Exponents and Radicals