Exploring Adding and Subtracting Imaginary Numbers

Exploring Adding and Subtracting Imaginary Numbers

Assessment

Interactive Video

Mathematics

6th - 10th Grade

Hard

CCSS
HSN.CN.A.2, HSN.CN.A.1, 7.NS.A.1C

+1

Standards-aligned

Created by

Emma Peterson

FREE Resource

Standards-aligned

CCSS.HSN.CN.A.2
,
CCSS.HSN.CN.A.1
,
CCSS.7.NS.A.1C
CCSS.7.NS.A.1B
,

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of i squared?

1

-1

0

i

Tags

CCSS.HSN.CN.A.1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How should you treat the variable i when combining like terms?

As a constant

As a variable like x

As a fraction

As a coefficient

Tags

CCSS.HSN.CN.A.1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of 3i + 5i - i?

7i

8i

9i

6i

Tags

CCSS.HSN.CN.A.2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When multiplying imaginary numbers, what should you replace i squared with?

i

1

0

-1

Tags

CCSS.HSN.CN.A.2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of 6i * 2i?

12i

-12

12

-12i

Tags

CCSS.HSN.CN.A.2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When adding complex numbers, which terms can be combined?

Real parts with real parts and imaginary parts with imaginary parts

Only imaginary parts

Only real parts

Real parts with imaginary parts

Tags

CCSS.7.NS.A.1C

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of (3 + 4i) + (1 + 6i)?

3 + 4i

4 + 6i

3 + 10i

4 + 10i

Tags

CCSS.HSN.CN.A.2

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