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G11 ECZ Mathematics Assignment

Total questions: 20

Worksheet time: 53mins

Name
Class
Date
1.

Find the value of the angle marked x....

a)

50

b)

100

c)

80

d)

90

2.
If a is 600 , what is 2a ?
a)
300
b)
1200
c)
900
3.

How many degrees is angle c ?

a)

20

b)

45

c)

70

d)

none of the above

4.

Find the value of the angle marked x....

a)

90

b)

45

c)

50

d)

100

5.

Find the value of the angle marked x....

a)

88

b)

75

c)

92

d)

102

6.

In the diagram, TP and TQ are tangents to a circle with centre O. Find each value of x

a)

5x

b)

90

c)

15

d)

180

7.

In the diagram, TP and TQ are tangents to a circle with centre O. Find each value of x

a)

80

b)

45

c)

90

d)

180

8.

Find angles ACD and ADB.

a)

ACD = 340 and ADB = 320

b)

ACD = 580 and ADB = 340

c)

ACD = 340 and ADB = 320

d)

ACD = 580 and ADB = 320

9.
Determine x.
a)
32
b)
16
c)
64
d)
21
10.

Given

f(x) = 3x2 + 7x and g(x) = 2x2 - x - 1, find (f + g)(x).

a)

11x2 - 1

b)

5x4 + 6x2 - 1

c)

5x2 + 6x - 1

d)

5x2 + 8x - 1

11.

Given f(x) = 3x2 - 2x + 1 and g(x) = x - 4, find (f⋅g)(x).

a)

3x3 - 10x2 - 7x - 4

b)

3x3 - 14x2 + 9x - 4

c)

3x2 - x - 3

d)

3x3 + 14x2 - 9x - 4

12.
f(x) = 3x + 10
g(x) = x - 2
Find f(g(5))
a)
19
b)
23
c)
-10
d)
None of these.
13.
Evaluate the function for the given inputs.
For f(x) = -2x + 4,
find f(x) when x = -5
a)
f(-5) = -6
b)
f(-5) = -3
c)
f(-5) = 14
d)
f(-5) = 2
14.
g(x)=3x+4
h(x)=3x-1
Find (g∘h)(x)
a)
-9x+11
b)
4x2+4x
c)
9x+1
d)
9x+11
15.
a)
b)
c)
d)
16.
What rule should you use?
a)
Sine
b)
Cosine
17.
a)
10.1
b)
10.0
c)
10.9
d)
8.86
18.
What is the measure of angle A?
a)
50 degrees
b)
60 degrees
c)
78 degrees
d)
74 degrees
19.
When using the sine rule how many parts (fractions) do you need to equate?
a)
All 3 parts
b)
1 part
c)
2 parts
20.
Which of the following formulas is the Cosine rule?
a)
c2 = a2 + b2 - 4ac + cosA
b)
c2 = a2 - b2 - 2abcosC
c)
c2 = a2 + b2 - 2abcosC
d)
(cos A)/a = (cos B)/b