Square Roots and Imaginary Numbers

Square Roots and Imaginary Numbers

9th - 12th Grade

13 Qs

quiz-placeholder

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Square Roots and Imaginary Numbers

Square Roots and Imaginary Numbers

Assessment

Quiz

Mathematics

9th - 12th Grade

Hard

CCSS
HSA-REI.B.4B, HSN.CN.A.3, HSN.CN.A.1

+1

Standards-aligned

Created by

Barbara White

FREE Resource

13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

√-36
6
-6
-6i
6i

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image
Simplify.
-5i
5
5i
-5

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The complex conjugate can be found by...

Changing the sign of both a and b

Changing the sign of a

Changing the sign of b

Switching the a and b values

Tags

CCSS.HSN.CN.A.3

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A complex number can be expressed as a + bi. What does a represent?

the real part of the complex number

the imaginary part of the complex number

depends on the sign of the number

the square root of the complex number

Tags

CCSS.HSN.CN.A.1

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the conjugate of 2 + √3

2 + √3

2 - √3

-2 + √3

-2 - √3

Tags

CCSS.HSN.CN.A.3

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Determine the complex conjugate of (-3-12i)
-3-12i
3-12i
3+12i
-3+12i

Tags

CCSS.HSN.CN.A.3

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image
Solve for x: 
x = {-4, -1}
x = {-1, -4}
x = {2+i, 2-i}
x = {-2+i, -2-i}

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

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