Complex Numbers 2

Complex Numbers 2

9th - 12th Grade

6 Qs

quiz-placeholder

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Complex Numbers 2

Complex Numbers 2

Assessment

Quiz

Mathematics

9th - 12th Grade

Medium

CCSS
HSN.CN.B.4, HSN.CN.A.1, HSN.CN.A.2

Standards-aligned

Created by

Brian Kuchaes

Used 7+ times

FREE Resource

6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Let z1 = 5i and z2 = i + 6.  What is the result of z1 - z2?
6i+6
4i+6
4i-6
-6

Tags

CCSS.HSN.CN.A.1

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Let z1 = -2i and z2 = i + 1.  If z3=z1*z2, what is the result?
3-2i
2-2i
-2-2i
-2+2i

Tags

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

z1 = 5i, z2 = -1+i.  z3 = z1/z2.  What quadrant is z3 in?
I
II
III
IV

Tags

CCSS.HSN.CN.B.4

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

z1 = 8i.  What is the value of |z1|?
8
8i
-8
-8i

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

z1 = 2 and z2 = i.  What is the value of |z1+z2|?
√2
√3
2
√5

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Let z1 = a + bi and z2 = a - bi.  z3 = z1*z2.  Which quadrant or axis will z3 be located in?
I
II
Real
Complex

Tags

CCSS.HSN.CN.B.4