Quiz In Class

Title: Addition of surds

Grade: 9-a Lesson: S3-L4

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

Simplify:
\$ sqrt(128)/10 \$

A) \$ (4sqrt(5))/5 \$

B) \$ (4sqrt(2))/5 \$

C) \$ (4sqrt(10))/5 \$

D) \$ 4sqrt(10) \$

2

Simplify:
\$ (5sqrt(25))/15 + (4sqrt(36))/18 \$

A) \$ 23/6 \$

B) \$ 21/5 \$

C) \$ 29/7 \$

D) \$ 15 \$

3

Simplify:
\$ (5sqrt(2))/4 + (4sqrt(3))/2 + (7sqrt(5))/8 \$

A) \$ (10sqrt(2)+16sqrt(3)+7sqrt(5))/4 \$

B) \$ (8sqrt(2)+14sqrt(3)+14sqrt(5))/8 \$

C) \$ (10sqrt(2)+16sqrt(3)+7sqrt(5))/8 \$

D) \$ (20sqrt(2)+32sqrt(3)+7sqrt(5))/8 \$

4

Simplify:
\$ (3sqrt(90))/9 + (6sqrt(126))/18 + (9sqrt(52))/36 \$

A) \$ sqrt(13) + sqrt(11) + sqrt(14) \$

B) \$ sqrt(10) + sqrt(14) + sqrt(15) \$

C) \$ (sqrt(10) + sqrt(13) + sqrt(14))/3\$

D) \$ (2sqrt(10) + 2sqrt(14) + sqrt(13))/2 \$

5

Simplify:
\$ sqrt(2)/2 + sqrt(3)/3 + sqrt(4)/4 + sqrt(5)/5 \$

A) \$ (15 + 15sqrt(2) + 6sqrt(5))/30 \$

B) \$ (15 + 15sqrt(2) + 10sqrt(3) + 6sqrt(5))/30 \$

C) \$ (15 + 6sqrt(5))/30 \$

D) \$ (15 + 10sqrt(3) + 6sqrt(5))/30 \$


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