Complex Numbers- Cartesian & find Modulus Argument

Quiz
•
Mathematics
•
10th - 12th Grade
•
Medium
+6
Standards-aligned
Kathryn Mendenhall
Used 11+ times
FREE Resource
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
In the complex plane, the horizontal axis if referred to as the ____ axis and the vertical axis is called the _____ axis
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Where is point C located?
2 + i
-3
2i
-1 - i
Tags
CCSS.HSN.CN.B.4
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Find the right Argand's Diagram for z = 4 - 8i
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What complex number is shown on the graph?
(-2,-3)
-2-3i
2-3i
3i-2
Tags
CCSS.HSN.CN.A.1
CCSS.HSN.CN.B.5
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Match the expression to the graph shown in the complex plane.
(4,0)
4 + 4i
-4(i2)
4i
Tags
CCSS.HSN.CN.A.1
CCSS.HSN.CN.A.2
CCSS.HSN.CN.B.4
CCSS.HSN.CN.B.5
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
(2 - 3i)(5 + 4i)
Tags
CCSS.HSN.CN.C.8
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the complex conjugate of 4-3i?
A. 1/(4-3i)
B. 1/(4+3i)
C. -4 + 3i
D. 4 + 3i
Answer explanation
A conjugate of a complex number will have the same terms and an opposite +/- between them:
x = a + bi and it's conjugate is x = a - bi
Tags
CCSS.HSA.APR.A.1
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