Simplifying Negative Square Roots with Imaginary Numbers

Simplifying Negative Square Roots with Imaginary Numbers

Assessment

Interactive Video

Mathematics

6th - 10th Grade

Practice Problem

Easy

CCSS
HSN.CN.A.1

Standards-aligned

Created by

Lucas Foster

Used 5+ times

FREE Resource

Standards-aligned

CCSS.HSN.CN.A.1

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the imaginary unit 'i' defined as?

The square root of -1

The square root of 16

The square root of 1

The square root of 0

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can the square root of -48 be simplified?

4i√3

2i√12

5i√2

3i√4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in simplifying the square root of a negative number?

Add 1

Separate the square root of -1

Multiply by 2

Divide by 2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the prime factorization method, what do you do after breaking down the number into prime factors?

Look for pairs of the same number

Multiply the prime factors

Add the prime factors

Divide the prime factors

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the simplified form of the square root of -72 using prime factorization?

6i√2

2i√6

4i√3

3i√4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the simplified form of the square root of -150?

4i√3

6i√5

3i√4

5i√6

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the simplified form of the square root of -81?

6i

9i

7i

8i

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