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Review Operations with Imaginary Numbers

Authored by Anthony Clark

Mathematics

11th Grade

CCSS covered

Review Operations with Imaginary Numbers
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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why do we get imaginary numbers?

When a square root has a positive on the outside

3x214x3x^2\sqrt{14x}

When a square root has a negative on the outside −3x214x-3x^2\sqrt{14x}

When a square root has a positive on the inside 14\sqrt{14}

When a square root has a negative on the inside −14\sqrt{-14}

Tags

CCSS.HSN.CN.A.1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Using your calculator, evaluate i13

-1

1

i

-i

Tags

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Using your calculator, evaluate i24

-1

1

i

-i

Tags

CCSS.HSN.CN.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Using your calculator, evaluate i7

-1

1

i

-i

Tags

CCSS.HSN.CN.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the value of x?

10

-10

10i

-10i

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

10
-10
10i
-10i

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the value of x if x = 10?

10

-10

10i

-10i

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