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WorksheetsPrivate Test 1 G10
Total questions: 20
Worksheet time: 1hrs 4mins
Name
Class
Date
1.
Simplify:
(10+ 15i) - (48 - 30i)
(10+ 15i) - (48 - 30i)
a)
58 - 45i
b)
58 - 15i
c)
-38 - 15i
d)
-38 + 45i
2.
3+√-4
a)
1
b)
3-2i
c)
5
d)
3+2i
3.
(1-3i)(2+5i)
a)
22-i
b)
16-i
c)
17-i
4.
The expression (2 + 3i)2 is equal to
a)
-5
b)
-5 + 12i
c)
13
d)
13 + 12i
5.
Simplify
a)
(-10+6i)/17
b)
(1+50i)/61
c)
(-23+36i)/25
d)
(-21+33i)/34
6.
(-5 + 10i)(-5 - 10i) = 125
a)
True
b)
False
7.
√-36
a)
6
b)
-6
c)
-6i
d)
6i
8.
Simplify i23
a)
i
b)
-1
c)
1
d)
-i
9.
What is the complex conjugate of 4-3i?
a)
A. 1/(4-3i)
b)
B. 1/(4+3i)
c)
C. -4 + 3i
d)
D. 4 + 3i
10.
√-4
a)
-2
b)
-2i
c)
2
d)
2i
11.
Which of the following is a quadrantal angle?
a)
-180o
b)
91o
c)
45o
d)
108o
12.
In which quadrant would you find an angle measuring -700°?
a)
1
b)
2
c)
3
d)
4
13.
Find an equivalent angle to 45°.
a)
360°
b)
405°
c)
315°
d)
295°
14.
Find a coterminal angle to -90°.
a)
-450°
b)
90°
c)
180°
d)
-180°
15.
What are the negative and positive coterminal angles of 240°?
a)
540°, -120°
b)
600°, -120°
c)
425°, -240°
d)
120°, -135°
16.
What is 30° in radians?
a)
1/6
b)
π/6
c)
1/7
d)
π/7
17.
What is 135° in radians?
a)
3/4
b)
3π/4
c)
3/5
d)
3π/5
18.
What is 11π/12 in degrees?
a)
164
b)
165
c)
162
d)
163
19.
When the rotation from initial to terminal side is counterclockwise this describes.
a)
Positive Angle
b)
Negative Angle
20.
Find the length s of the arc that subtends a central angle of measure 40° in a circle of radius 12 m.
a)
8.38 m
b)
480 m
c)
3.3 m
d)
10.2 m
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