imaginary numbers

imaginary numbers

2nd Grade

30 Qs

quiz-placeholder

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imaginary numbers

imaginary numbers

Assessment

Quiz

Mathematics

2nd Grade

Easy

Created by

Kay Rasheed

Used 2+ times

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30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

Media Image

Simplify.

-5i
5
5i
-5

2.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

Simplify
2i - 7i + 10

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

3.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

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

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

4.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

i79

i
1
-1
-i

5.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

(2i)(3i)

5i
-5
6i2
-6

6.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

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

29
4 - 25i
25 - 10i
-21

7.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

(3i)(-2+4i)

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

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