

Simplifying Complex Numbers and Fractions
Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Easy
Standards-aligned
Jackson Turner
Used 3+ times
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of simplifying 3 divided by 5i?
-3/5i
3/5i
-3/5
3/5
Tags
CCSS.HSN.CN.A.3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you convert 4 + 2i divided by 3i into standard form?
Multiply by 2i
Multiply by 4i
Multiply by 3i
Multiply by i
Tags
CCSS.HSN.CN.A.3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the standard form of 4 + 2i divided by 3i?
2/3 + 4/3i
4/3 + 2/3i
2/3 - 4/3i
4/3 - 2/3i
Tags
CCSS.HSN.CN.A.3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in rationalizing the denominator of a complex fraction?
Multiply by i
Multiply by the denominator
Multiply by the conjugate
Multiply by the numerator
Tags
CCSS.HSN.CN.A.3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of rationalizing the denominator of 4 divided by 5i?
0 + 4/5i
0 - 4/5i
4/5 + 0i
4/5 - 0i
Tags
CCSS.HSN.CN.A.3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the conjugate of 3 + 2i?
-3 - 2i
-3 + 2i
3 + 2i
3 - 2i
Tags
CCSS.HSN.CN.A.3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of simplifying 8 divided by 3 + 2i using the conjugate?
24/13 - 16/13i
16/13 + 24/13i
16/13 - 24/13i
24/13 + 16/13i
Tags
CCSS.HSN.CN.A.3
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