Imaginary Numbers

Imaginary Numbers

10th Grade

5 Qs

quiz-placeholder

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Imaginary Numbers

Imaginary Numbers

Assessment

Quiz

Other

10th Grade

Practice Problem

Hard

CCSS
HSN.CN.A.2

Standards-aligned

Created by

Alicia Brunette

Used 21+ times

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Multiply: 
(4 – 3i)(-7 – 2i)

A.  -23 + 13i
B.  -23 - 29i
C.  -34 + 13i
D.  -34 - 29i

Tags

CCSS.HSN.CN.A.2

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify: 
(10+ 15i)-(48 - 30i)

58 - 45i
58 - 15i
-38 - 15i
-38 + 45i

Tags

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the sum.
(5-2i) + (-7+8i)

-2+6i
12+6i
-35-16i2
-35 -16i

Tags

CCSS.HSN.CN.A.2

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

(3i)(-2+4i)

-6+12i
-12-6i
-2+7i
12+6i

Tags

CCSS.HSN.CN.A.2

5.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

Simplify the radical
 3i +144-3i\ +\sqrt{-144}