Precalculus Complex Conjugates Rational Functions

Quiz
•
Mathematics
•
11th Grade
•
Hard
+3
Standards-aligned
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the conjugate of i + 4?
i + 4
i - 4
-i-4
-i+4
Tags
CCSS.HSN.CN.A.3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify
9i/5
2i
8i/5
13i/5
Tags
CCSS.HSN.CN.A.3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify
-4-6i
(-15i+8)/4
(-4+8i)/15
(-4i+8)/15
Tags
CCSS.HSN.CN.A.3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the conjugate of 3 - 2i?
2-3i
3-2i
3+2i
2+3i
Tags
CCSS.HSN.CN.A.3
5.
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
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the conjugate of 5 + 7i?
5-7i
5+7i
7i-5
7-5i
Tags
CCSS.HSN.CN.A.3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of number results from the SUM of two cojugates?
Real Number
Natural Number
Imaginary Number
Irrational Number
Tags
CCSS.HSN.CN.A.1
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