2 Complex Numbers with i

2 Complex Numbers with i

9th - 11th Grade

15 Qs

quiz-placeholder

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2 Complex Numbers with i

2 Complex Numbers with i

Assessment

Quiz

9th - 11th Grade

Medium

CCSS
HSN.CN.A.2, HSA.APR.A.1, HSN.CN.A.3

+3

Standards-aligned

Created by

Doug Uebelhor

Used 2+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify: 
(7 + 2i)(9 - 6i)

75-24i
63 - 24i  - 12i2
51 - 24i
58 + 60i

Tags

CCSS.HSN.CN.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

i66

1
i
-1
-i

Tags

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the conjugate of -2+5i?

-5+2i
-2-5i
2+5i
5-2i

Tags

CCSS.HSN.CN.A.3

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(3i)(-2+4i)

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

Tags

CCSS.HSA.APR.A.1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(5-2i) + (-7+8i)

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

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

√-4

-2
-2i
2
2i

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What letter usually represent imaginary number?

a
i
j
x

Tags

CCSS.HSN.CN.A.1

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