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Trig/Polar and Rectangular/Standard form of Complex Numbers

Authored by Luke Wilson

Mathematics

11th - 12th Grade

CCSS covered

Used 77+ times

Trig/Polar and Rectangular/Standard form of Complex Numbers
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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify:
(3 + 2i) + (4i + 6)

9 + 6i
7i + 8
9 + 6i2
9 - 6i

Tags

CCSS.HSN.CN.A.2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify:
(4 + 7i) - (3 + 2i)

1 + 5i
7 + 9i
1 + 9i
-1 + 5i

Tags

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify:
-3i(4 + 2i)

6 - 12i
6 + 12i
-12i - 6i2
-12i + 6i2

Tags

CCSS.HSA.APR.A.1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify:
(2 - 3i)(5 + 4i)

22 - 7i
22 + 7i
22 - 7i2
22 + 7i2

Tags

CCSS.HSN.CN.C.8

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the complex conjugate of  4-3i?

A.  1/(4-3i)
B. 1/(4+3i)
C.  -4 + 3i
D.  4 + 3i

Tags

CCSS.HSN.CN.A.3

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What is the simplified form of the above?

7/10 + 11/10 i

13/10 +1/10 i

5/4 - 3/2i

7/10 - 11/10 i

Tags

CCSS.HSN.CN.A.3

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Simplify

(-10+6i)/17

(1+50i)/61

(-23+36i)/25

(-21+33i)/34

Tags

CCSS.HSN.CN.A.3

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