Multiply Conjugates
12th Grade
•20 Qs
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Multiply Conjugates
Quiz
•
Mathematics
•
12th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Multiply: (4 - i)(4 + i)
17
17-8i
Tags
CCSS.HSN.CN.A.2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Multiply (5 + 2i)(5 - 2i)
21
29
29-10i
Tags
CCSS.HSN.CN.C.8
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of number is the result of multiplying a complex number and its conjugate?
Natural Number
Imaginary Number
Irrational Number
Real Number
Tags
CCSS.HSN.CN.C.8
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the conjugate you would multiply by?
5+2i
5-2i
-5-2i
-5+2i
Tags
CCSS.HSN.CN.A.3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the denominator after multiplying and before simplifying?
17
13
5i
15i
Tags
CCSS.HSN.CN.A.3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the denominator after multiplying and before simplifying?
-3
29
21i
2+5i
Tags
CCSS.HSN.CN.A.3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the denominator after multiplying and before simplifying?
-10
-2i
2i
10
Tags
CCSS.HSN.CN.A.3
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