Simplifying Expressions with Square Roots

Simplifying Expressions with Square Roots

Assessment

Interactive Video

Mathematics

7th - 10th Grade

Hard

Created by

Lucas Foster

FREE Resource

The video tutorial explains how to simplify the expression 3 times the square root of 200x to the third. It begins by factoring 200 and rewriting the expression under a single radical sign. The instructor then breaks down the expression into simpler parts, evaluates the square roots of individual terms, and finally combines the results to achieve the simplest form of the expression, which is 30x times the square root of 2x.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in simplifying 3 times the square root of 200x to the third?

Add 100 to 200

Divide 200 by 3

Factor out 200

Multiply by x

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can 200 be expressed in terms of its factors?

10 times 20

4 times 50

2 times 100

2 times 50

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the equivalent expression for x to the third?

x to the fourth

x squared times x

x times x times x

x plus x squared

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of rewriting the expression under a single radical sign?

To simplify the expression

To make it more complex

To factor out x

To change the base

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the square root of 100?

5

20

10

15

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of taking the square root of x squared?

x squared

2x

x

x cubed

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which terms cannot be simplified further in the expression?

Square root of 100

Square root of x squared

Square root of 2 and square root of x

Square root of 200

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