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Lesson Example Discussion Quiz: Class Homework

Quiz Discussion

Title: Multiplication of surds

Grade: 9-a Lesson: S3-L5

Explanation: Let us discuss a few questions on this topic and review the answers to every question.

Quiz: Discussion in Class

Problem Id Problem Options

Steps 1

Simplify:
\$ sqrt(5) × sqrt(11) \$

A) \$ sqrt(55) \$

B) \$ 11sqrt(5) \$

C) \$ 5sqrt(11) \$

D) \$ 2sqrt(55) \$

Steps 2

Simplify:
\$ sqrt(2)/4 × sqrt(8)/2 × sqrt(32)/4 × sqrt(128)/2 \$

A) \$ 2sqrt(2) \$

B) \$ 1 \$

C) \$ 4 \$

D) \$ 2 \$

Steps 3

Simplify:
\$ (5sqrt(10))/2 × (2sqrt(20))/3 \$

A) \$ (150sqrt(2))/3 \$

B) \$ (100sqrt(2))/3 \$

C) \$ (50sqrt(2))/3 \$

D) \$ (25sqrt(2))/3 \$

Steps 4

Simplify:
\$ (2sqrt(10))/2 × (3sqrt(20))/3 × (4sqrt(40))/4 \$

A) \$ 200sqrt(5) \$

B) \$ 400sqrt(5) \$

C) \$ 20sqrt(5) \$

D) \$ 40sqrt(5) \$

Steps 5

Simplify:
\$ (5sqrt(7))/2 × (8sqrt(14))/3 × (6sqrt(28))/4 \$

A) \$ 70sqrt(14) \$

B) \$ 140sqrt(14) \$

C) \$ 280sqrt(14) \$

D) \$ 160sqrt(14) \$

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