Imaginary numbers

Imaginary numbers

12th Grade

26 Qs

quiz-placeholder

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Imaginary numbers

Imaginary numbers

Assessment

Quiz

Mathematics

12th Grade

Easy

Created by

Kerry Marshall

Used 1+ times

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26 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Simplify.

-5i
5
5i
-5

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Multiply: 
(4 – 3i)(-7 – 2i)

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

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Simplify
2i - 7i + 10

10 - 5i
5i
10 + 9i
10 + 5i

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

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

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

i79

i
1
-1
-i

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

(2i)(3i)

5i
-5
6i2
-6

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Multiply:
(2-5i)(2+5i)

29
4 - 25i
25 - 10i
-21

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