Simplifying Square Roots and Prime Factorization

Simplifying Square Roots and Prime Factorization

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial covers the process of simplifying square roots using prime factorization. It begins with an introduction to the concept and demonstrates the simplification of the square root of 150. The instructor explains the method of breaking down numbers into their prime factors and pulling out pairs to simplify the radical. The tutorial includes practice examples with the square roots of 338 and 60, showing different approaches to achieve the same result. The video concludes by emphasizing that the order of factorization does not affect the outcome, as long as the numbers are broken down into their smallest prime components.

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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in simplifying a square root using prime factorization?

Multiply the number by 2

Add 5 to the number

Divide the number by 10

Break the number into its smallest prime factors

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which number is used as a starting point for simplifying the square root of 150?

10

50

25

75

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the prime factorization of 150?

3 x 3 x 5 x 5

2 x 3 x 5 x 5

3 x 5 x 10

2 x 5 x 15

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you simplify the square root of a number with a pair of identical prime factors?

Extract one factor from the square root

Multiply the factors

Add the factors together

Divide the factors

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in simplifying the square root of 338?

Divide by 3

Divide by 5

Divide by 2

Divide by 10

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the square root of 169?

14

13

12

11

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the prime factorization of 60?

2 x 5 x 6

2 x 3 x 10

3 x 3 x 5

2 x 2 x 3 x 5

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the simplified form of the square root of 60?

5√12

3√10

4√15

2√15

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Does the order of prime factors affect the final result when simplifying a square root?

Yes, it changes the result

Yes, it makes the process longer

No, the order does not matter

No, but it affects the accuracy