Quiz about Laws of Exponents

Question 1

Directions: Select 2 among the choices.

Identify all expressions that are equivalent to $$3x^4y^2$$

Accepted Answer

$$\left(x^2y\right)\left(3x^2y\right)$$

Answer

$$\left(x^2y\right)\left(x^2y\right)$$

Answer

$$\frac{12x^6y^7}{4x^2y^5}$$

Answer

$$3x\left(x^2y^2\right)$$

Question 2

Question 2.

Accepted Answer

Option C is correct

Accepted Answer

Option A is correct

Answer

B.

Answer

D.

Question 3

Simplify the expression.

Accepted Answer

-6x2y

Answer

6x2y

Answer

-2x2y

Answer

-6x2y5

Answer

6x7y6

Question 4

Which represent this expression in SIMPLEST FORM?

$$\frac{20\left(x^{-2}\right)^3}{5\left(x^{-4}\right)^{-3}}$$

Accepted Answer

$$\frac{4}{x^{18}}$$

Answer

$$15x^{18}$$

Answer

$$4x^6$$

Answer

$$\frac{15}{x^6}$$

Question 5

Which is equivalent to expression below? $$\frac{xy\left(24x^2y^3w\right)}{36y^5w^2}$$

Accepted Answer

$$\frac{2x^3}{3yw}$$

Answer

$$\frac{12x^3y}{w}$$

Answer

$$\frac{x^2yw}{12}$$

Answer

$$\frac{2x^2}{3y^2w}$$

Question 6

Simplify

Accepted Answer

1 / 9k2

Answer

k12/ 9

Answer

9k2

Answer

9 / k2

Question 7

Simplify

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 8

Which is a simplified form of the following expression using only positive exponents? $$-2x^2y^{-5}z^{-7}$$

Accepted Answer

$$\frac{-2x^2}{y^5z^7}$$

Answer

$$\frac{1}{2x^2y^5z^7}$$

Answer

$$\frac{y^5z^7}{-2x^2}$$

Answer

$$\frac{-2}{x^2y^5z^7}$$

Question 9

Simplify (-4r⁵)(2r⁸)

Accepted Answer

-8r13

Answer

-2r13

Answer

-8r40

Answer

-2y40

Question 10

$$-5xyz^0$$

Accepted Answer

-5xy

Answer

0

Answer

-5xy0

Answer

-5xyz

Question 11

Question 11.

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 12

Which expression is equivalent to the given?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 13

(2ab)3

Accepted Answer

23a3b3

Answer

2ab3

Answer

6a3b3

Answer

6ab

Question 14

Question 14.

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 15

Question 15.

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 16

Question 16.

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Laws of Exponents

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