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Multiplying Imaginary Numbers: Key Concepts and Techniques
Interactive Video
•
Mathematics
•
8th - 12th Grade
•
Practice Problem
•
Easy
+1
Standards-aligned
Amelia Wright
Used 1+ times
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of i^2?
1
i
-1
-i
Tags
CCSS.HSN.CN.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the acronym FOIL stand for in the context of multiplying binomials?
First, Outer, Inner, Last
First, Outer, Inner, Largest
First, Outer, Inner, Linear
First, Outer, Inner, Least
Tags
CCSS.HSA.APR.A.1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When using the distributive property, what is the result of multiplying 4 by 3?
12
15
9
7
Tags
CCSS.6.NS.B.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying 2i by 5i?
10i^2
-10i^2
-10i
10i
Tags
CCSS.HSN.CN.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of -10i^2?
10
-10
-1
1
Tags
CCSS.HSN.CN.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you write the final answer in complex form?
a - b
a + b
a - bi
a + bi
Tags
CCSS.HSN.CN.A.1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of distributing 4 to both terms in the parentheses (3 - 5i)?
12 - 5i
12 + 5i
12 - 20i
12 + 20i
Tags
CCSS.HSN.CN.A.2
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