Simplifying, +, -, *, and / Complex Numbers Quiz

Simplifying, +, -, *, and / Complex Numbers Quiz

10th - 11th Grade

14 Qs

quiz-placeholder

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Simplifying, +, -, *, and / Complex Numbers Quiz

Simplifying, +, -, *, and / Complex Numbers Quiz

Assessment

Quiz

Mathematics

10th - 11th Grade

Medium

Created by

Skyler Smith

Used 24+ times

FREE Resource

14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 256\sqrt{-256}  

 8i8i  

 6i36i\sqrt{3}  

 17i17i  

 16i16i  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 32\sqrt{-32}  

 4i24i\sqrt{2}  

 3i23i\sqrt{2}  

 14i214i\sqrt{2}  

 6i76i\sqrt{7}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (11+9i)+(4+2i)\left(11+9i\right)+\left(4+2i\right)  

 15+11i15+11i  

 1+7i-1+7i  

 5+11i-5+11i  

 53i-5-3i  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (1+3i)(2+7i)\left(-1+3i\right)-\left(-2+7i\right)  

 1+4i-1+4i  

 14i-1-4i  

 14i1-4i  

 58i-5-8i  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (18i)2\left(1-8i\right)^2  

 5548i-55-48i  

 63+16i-63+16i  

 6316i-63-16i  

 264i2-64i  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (8+4i)( 3i)\frac{\left(-8+4i\right)}{\left(\ 3-i\right)}  

 (93i)10\frac{\left(-9-3i\right)}{10}  

 (14+2i)5\frac{\left(-14+2i\right)}{5}  

 (12+2i)5\frac{\left(-12+2i\right)}{5}  

 (62i)5\frac{\left(-6-2i\right)}{5}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the complex conjugate of

 (2+10i)\left(-2+10i\right)  

 2+10i2+10i  

 210i-2-10i  

 28i2-8i  

 8i8i  

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