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Graph Function
2. Diagram 1 shows the graph of
1. Which one of the following graph function y = xn + 8
represents y = x2 + 2x - 3?
A y
y y = xn + 8
P(k,16)
O x
-3 O x
Diagram 1
B
y
P(k,16) is a point on y = xn + 8. Find
the value of n + k.
A 12 C 15
-3 O x B 18 D 19
C y 3. Diagram below shows the graph of
y = x2 – 3x -10.
O x A
-3 k
O x
D y
h
Find the value of h + k.
O x
-3 A -12 C -3
B -5 D 5

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4. Which of the following graph 5. Which of the following graph
2 represents 3y-5x=15?
represents y = ?
x
A y A y
5
O x -3 O x
y y
B B
O x O 3 x
-5
C y C y
5
x 3 x
O O
y y
D D
x
O x -3 O
-5

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6. Which of these graphs represent 7. Which of the following graphs
represents y = 2x3?
y = ( x + 1) 2 ?
A y
A y B y
O x
1
x
0 1
y
B
B y D y
O x
1 x
0
−1
C y
C
y
x
O
1
−1 x
y
D
D
y
−1
0 x x
O
-1

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8. The graph below shows A 4 B 0
y =-xn + 8, n is the integer.
C 3 D 6
y
q
10. Diagram below shows the graph of
x function y = x n + 27.
y
Find the values of n and q.
A n=-2, q=8 B n=-3, q=8, P(k,35)
C n=2, q=2 D n=3, q=2
x
9. The diagram below shows the graph
of y = x2 – 3x -10. P (k,35) is a point on y = x n
+ 27.
Find the value of n + k.
A 2 B 3
y C 5 D 11
h
0 k x
Find the value of h + k.

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11. Which of the following graphs represents y = x2 – 4?
A C
B D
1
12. Which of the following shaded regions satisfies the inequalities y ≤x, y≥ x and
2
x ≤ 4?
A.. C
B.. D

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13. Find the coordinates of p for the graph below
A(1, 1) B. (2, 0) C. (1, 0) D. (0, 0)
3
14. Which of the following graphs represents y = − ?
x
A C
B D
15. Which of the following graphs represents y = x3 – 4?
A C
B D

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16. In the diagram, the equation of the straight line PQR is y = –2xn + c .
The value of c is
A 4 B. 5 C. 6 D. 7
17.
Which set of inequalities in the following defines the shaded region in the diagram?
a. y ≥ x3 + 4, y≤ 5 and x ≥ 0
b. y < x3 + 4, y ≤ 5 and x ≤ 0
c. y ≥ x3 + 4, y ≥ 5 and x ≥ 0
d. y < x3 + 4, y ≤ 5 and x ≤0

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JAWAPAN:
Diagnostic Test
1. C 6. C 11. A 16. B
2. D 7. D 12. B 17. A
3. B 8. D 13. C
4. D 9. D 14. D
5. A 10. C 15. B