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Grade 60.00 Out of 100.00: Question Text

- The student scored 60% overall on a 10 question complex numbers test - They answered questions 1, 5, 7, 8, and 9 correctly and earned full marks - They were marked incorrectly on questions 3, 4, 6, and 10, earning no marks

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4K views6 pages

Grade 60.00 Out of 100.00: Question Text

- The student scored 60% overall on a 10 question complex numbers test - They answered questions 1, 5, 7, 8, and 9 correctly and earned full marks - They were marked incorrectly on questions 3, 4, 6, and 10, earning no marks

Uploaded by

Aerol Magpile
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Grade 60.

00 out of 100.00
Question 1
Complete
Mark 1.00 out of 1.00

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Question text
Roots of Complex Numbers
General Powers

(1+i)(2−i)(1+i)(2−i)
Select one:
a.
1.49+4.12i

b.
-1.49-4.12i

c.
-1.49+4.12i

d.
1.49-4.12i

Question 2
Complete
Mark 1.00 out of 1.00

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Question text
Evaluate the following.
cosh-1 (1+5i)

Select one:
a.
-2.33+1.38i

b.
-2.33-1.38i

c.
2.33+1.38i

d.
2.33-1.38i

Question 3
Complete
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Question text
(2+3i)−−−−−−√5(2+3i)5
Select one:
a.
1.27+0.25i;0.15+1.28i;-1.17+0.54i; -0.88-0.95i;0.63-1.13i

b.
-1.27+0.25i;0.15+1.28i;-1.17+0.54i; 0.88-0.95i;0.63-1.13i

c.
-1.27+0.25i;0.15+1.28i;1.17+0.54i; 0.88-0.95i;0.63-1.13i

d.
1.27+0.25i;0.15+1.28i;1.17+0.54i; -0.88-0.95i;0.63-1.13i

Question 4
Complete
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Question text
Roots of Complex Numbers
General Powers

(103e1.222i)2(103e1.222i)2
Select one:
a.
-76.6+64.28i

b.
76.6-64.28i

c.
76.6+64.28i

d.
-76.6-64.28i

Question 5
Complete
Mark 1.00 out of 1.00

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Question text
Evaluate the following:
sin-1 (-4+i)

Select one:
a.
-iln(0.03-0.12i)

b.
-iln(-0.03+0.12i)

c.
-iln(0.03+0.12i)

d.
-iln(-0.03-0.12i)
Question 6
Complete
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Question text
Roots of Complex Numbers
General Powers

2(cosπ3+isinπ3)62(cosπ3+isinπ3)6
Select one:
a.
59

b.
64

c.
69

d.
54

Question 7
Complete
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Question text
Evaluate the following.
sin(-4+i)

Select one:
a.
1.17-0.77i
b.
-1.17+0.77i

c.
-1.17-0.77i

d.
1.17+0.77i

Question 8
Complete
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Question text
Evaluate the following:
cosh-1 (-4+i)

Select one:
a.
2.1-2.89i

b.
2.1+2.89i

c.
-2.1-2.89i

d.
-2.1+2.89i

Question 9
Complete
Mark 1.00 out of 1.00

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Question text
Evaluate the following:
sin-1 (-4+i)

Select one:
a.
-4.96-2.12i

b.
-4.96+2.12i

c.
4.96+2.12i

d.
4.96-2.12i

Question 10
Complete
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Question text
ln(−−12−3–√2i)ln(−−12−32i)
Select one:
a.
-3.19i

b.
4.19i

c.
-4.19i

d.
-4.19i

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