Multiply by Conjugate
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Quiz 5
9th - 12th Grade
•15 Qs
Multiply by Conjugate
Quiz
•
Mathematics
•
12th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculate(Divide, multiply by conjugate):
12/5 − 4/5i
-8/10i − 4/5
-4/5 + 12/5i
12/5 + 4/5i
Tags
CCSS.HSN.CN.A.3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculate(Divide, multiply by conjugate):
-3/4 − 1/4i
3/4 + 1/4i
-3/4 + 1/4i
3/4 − 1/4i
Tags
CCSS.HSN.CN.A.3
3.
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
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the conjugate you would multiply by?
-1-5i
1+5i
1-5i
-1+5i
Tags
CCSS.HSN.CN.A.3
5.
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
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the conjugate you would multiply by?
2+i
2-i
-2+i
-2-i
Tags
CCSS.HSN.CN.A.3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Refer to the above image, what is the conjugate of the denominator?
8 + 6i
6 + 8i
6 - 8i
-6 +8i
Tags
CCSS.HSN.CN.A.3
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