Complex Number Practice

Complex Number Practice

9th - 11th Grade

15 Qs

quiz-placeholder

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Complex Number Practice

Complex Number Practice

Assessment

Quiz

Mathematics

9th - 11th Grade

Easy

Created by

Chara Hedin

Used 4+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (413i)+(7+5i)\left(4-13i\right)+\left(-7+5i\right)  

 1118i11-18i  

 38i-3-8i  

 318i-3-18i  

 38i3-8i  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (96i)(12+4i)\left(9-6i\right)-\left(-12+4i\right)  

 32i-3-2i  

 212i21-2i  

 2110i21-10i  

 310i-3-10i  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 818\sqrt{-8}\cdot\sqrt{-18}  

 12i-12i  

 12i12i  

 1212  

 12-12  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (2+7i)(35i)\left(2+7i\right)\left(3-5i\right)  

 41+11i41+11i  

 6+2i6+2i  

 29+11i-29+11i  

 5+2i5+2i  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2i\frac{-2}{i}  

 2-2  

 2i-2i  

 22  

 2i2i  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Standard form of a complex number is:

 b+aib+ai  

 a+bia+bi  

 bi+abi+a  

 biabi-a  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the conjugate of

 34i-3-4i  

 3+4i-3+4i  

 34i-3-4i  

 34i3-4i  

 3+4i3+4i  

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