Adding and Subtracting Imaginary Numbers

Adding and Subtracting Imaginary Numbers

12th Grade

19 Qs

quiz-placeholder

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Adding and Subtracting Imaginary Numbers

Adding and Subtracting Imaginary Numbers

Assessment

Quiz

Mathematics

12th Grade

Hard

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

+2

Standards-aligned

Created by

Anthony Clark

FREE Resource

19 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify.

(9 +21i) + (-7 - 15i)

2+6i

-2-6i

16+36i

-16-36i

Tags

CCSS.HSN.CN.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find all solutions to each equation, real or imaginary.

x2=-36

6,-6

6

-6

6i, -6i

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write the expression in the form of a+bi, where a and b are real numbers.

3 ⋅ √-25

15

-15

15i

-15i

Tags

CCSS.HSN.CN.A.1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify.

(-6 - 4i) + (1 + 4i) = _______

-5

-5+i

-7-8i

5

Tags

CCSS.HSN.CN.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

Choose the correct answer for the operation pictured.

7-13i

7-i

1-13i

1-i

Tags

CCSS.HSN.CN.A.2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(10x + 3i) – (2x – 9i)

20x – 27i

12x - 7i

8x + 12i

20x – 27i2

Tags

CCSS.HSN.CN.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify: 
(10+ 15i)-(48 - 30i)

58 - 45i

58 - 15i

-38 - 15i

-38 + 45i

Tags

CCSS.HSN.CN.A.2

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