Simplify imaginary and complex numbers

Simplify imaginary and complex numbers

18 Qs

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Simplify imaginary and complex numbers

Simplify imaginary and complex numbers

Assessment

Quiz

Mathematics

Hard

CCSS
HSN.CN.A.2, HSN.CN.A.1, 8.EE.A.2

Standards-aligned

Created by

Lindsey Unseld

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18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

(1-3i)(2+5i)

22-i
16-i
17-i

Tags

CCSS.HSN.CN.A.2

2.

MULTIPLE CHOICE QUESTION

3 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

3 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

3 mins • 1 pt

Simplify:
√-108

3i√6
3i√20

6i√3

20i√3

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What does i2 = ?

-1
√-1
1
-√1

Tags

CCSS.HSN.CN.A.1

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Simplify 
√-25

-5i
5

5i

-5

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which of the following is equivalent to (3-5i)-(6+2i)

-3-7i
-3-3i
3-3i
9-7i

Tags

CCSS.HSN.CN.A.2

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