Quiz In Class

Title: Dividing Radicals

Grade: 8-b Lesson: S1-L8

Explanation: Hello Students, time to practice and review. Let us take next 10-15 minutes to solve the five problems using the Quiz Sheet. Then submit the quiz to get the score. This is a good exercise to check your understanding of the concepts.

Quiz: in Class

Problem Id Problem Options

1

Dividing the radical expression \$ 10 root(3)(20x^2) \div 2 root(3)(5x) \$.

A) \$ 14 root(3)(27x)\$

B) \$ root(3)(7x)\$

C) \$ 5 root(3)(4x)\$

D) \$ 10 root(3)(4x)\$

2

Dividing the following radical expression \$ 12\sqrt(x^5y^3) \div 9 \sqrt(x^3y^2) \$.

A) \$ 3/4 \sqrt(xy) \$

B) \$ 4/3 \sqrt(xy)\$

C) \$ 3/4 x\sqrty\$

D) \$ 4/3 x\sqrty\$

3

Simplify: \$ ( 2\sqrt(288))/(6\sqrt8)\$.

A) 12

B) 2

C) 14

D) 8

4

Simplify the radical expression \$ (3\sqrt2 - 2\sqrt3)/\sqrt6\$.

A) \$ \sqrt3 - \sqrt2 \$

B) \$ ( 3 + \sqrt6)/(\sqrt2) \$

C) \$ \sqrt3 + \sqrt6 \$

D) \$ ( 3 + \sqrt3)/(\sqrt6) \$

5

Simplify the expression \$ (\sqrt7 - \sqrt3)/(\sqrt7 + \sqrt3) \$.

A) \$ ( 5 - \sqrt(21))/2 \$

B) \$ ( 2 - \sqrt(13))/(\sqrt6) \$

C) \$ (6\sqrt(30) + 9\sqrt(105))/5 \$

D) \$ ( 3 + \sqrt3)/(\sqrt6) \$

6

Simplify the following expression: \$ \sqrt72 \div \sqrt8 \$.

A) 1

B) 3

C) 5

D) 7

7

Simplify the following expression: \$ \sqrt(45x^2) \div \sqrt(5x) \$.

A) \$ 3(\sqrt2) \$

B) \$ 3(\sqrtx) \$

C) \$ 5(\sqrtx) \$

D) \$ 3(\sqrt(x^2)) \$

8

Simplify the following expression: \$ 4(\sqrt48(b^2)) \div (\sqrt3b) \$.

A) \$ 16\sqrt(b^2) \$

B) \$ 11\sqrtb \$

C) \$ 16\sqrtb \$

D) \$ 16\sqrta \$

9

Dividing the following radical expression: \$ (6\sqrt(14) + 9\sqrt(181)) / \sqrt(125) \$.

A) \$ (6\sqrt(70) + 9\sqrt(905))/15 \$

B) \$ (6\sqrt(30) + 9\sqrt(105))/25 \$

C) \$ (6\sqrt(70) + 9\sqrt(905))/25 \$

D) \$ (3\sqrt(70) + 9\sqrt(905))/15 \$

10

Simplify the following expression: \$ (12d\sqrt(81e^4)) /( 18\sqrt(49de^2)) \$.

A) \$ (3de)/7 \$

B) \$ (6de)/17 \$

C) \$ (de)/7 \$

D) \$ (6e(\sqrtd))/7 \$


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