Complex Numbers

10th - 11th Grade

•

10 Qs

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Complex Numbers

Quiz

•

Mathematics

•

10th - 11th Grade

•

Medium

•

CCSS

HSN.CN.A.1, HSN.CN.A.3, HSN.CN.A.2

Standards-aligned

Lanna South

Used 490+ times

FREE Resource

10 questions

Show all answers

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

-2+6i

12+6i

-35-16i²

-35 -16i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What does i² = ?

-1

√-1

-√1

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify:
-3i(4 + 2i)

6 - 12i

6 + 12i

-12i - 6i²

-12i + 6i²

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Multiply:
(4 – 3i)(-7 – 2i)

A. -23 + 13i

B. -23 - 29i

C. -34 + 13i

D. -34 - 29i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify:
(10+ 15i) - (48 - 30i)

58 - 45i

58 - 15i

-38 - 15i

-38 + 45i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

How do you write a complex number?

a-bi

a+bi

ai+b

ai-b

Tags

CCSS.HSN.CN.A.1

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

(4 - 2i) - (3 + 6i)

7 - 4i

1 + 4i

1 - 8i

7 - 8i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

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