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1. Table 1 shows the values of x and y for the function y = x 3 – 2 Jadual 2 menunjukkan nilai-nilai x dan y bagi fungsi y = x 3 – 2 x -3 -1 0 n y 27 m 2 2 5 Table 1 Jadual 1 Find the value of m and n Cari nilai m dan n A. m = 3, n = 3 B. m = 3, n = 6 C. m = 3, n = 6 D. m = 3, n = 2 2. Which of the following graphs represents the linear equation y =8 – 2x? Antara graf yang berikut, yang manakah mewakili persamaan linear y =8 – 2x? A. C. B. D. 1 8 0 4 8 y x 0 4 - 8 x y 0 4 x y 0 - 4 8 x y TOPIC: GRAPH OF FUNCTION

Graph of functions pmr paper 1

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Page 1: Graph of functions pmr paper 1

1. Table 1 shows the values of x and y for the function y = x3 – 2 Jadual 2 menunjukkan nilai-nilai x dan y bagi fungsi y = x3 – 2

x -3 -1 0 ny 27 m 2 25

Table 1Jadual 1

Find the value of m and nCari nilai m dan nA. m = –3, n = 3B. m = 3, n = 6C. m = –3, n = –6D. m = 3, n = –2

2. Which of the following graphs represents the linear equation y =8 – 2x?Antara graf yang berikut, yang manakah mewakili persamaan linear y =8 – 2x?

A. C.

B. D.

1

80 4

8

y

x

0

4

-8x

y

0

4

x

y

0-4

8

x

y

TOPIC: GRAPH OF FUNCTION

Page 2: Graph of functions pmr paper 1

3. Table 2 shows the values of variables x and y of a function.Jadual 2 menunjukkan nilai-nilai pembolehubah x dan y bagi suatu fungsi.

x –2 0 1y –6 2 3

Table 2Jadual 2

Which of the following functions is satisfied by the ordered pair?Fungsi manakah yang memuaskan pasangan tertib tersebut?A. y = 5x + 4B. y = x – x2 + 2C. y = x3 + 2

D. y =

4. Diagram 1 shows the graph of a linear function.Rajah 1 menunjukkan graf bagi suatu fungsi linear.

Diagram 1 Rajah 1

The equation of the linear function isPersamaan bagi fungsi linear itu ialahA. 2x + 3y = 6B. 3x + 3y = 6C. 3x – 2y = 3D. 2x – 3y = 3

2

1 2 3

1

2

3

0-1 x

y

Page 3: Graph of functions pmr paper 1

5. Table 3 shows the values of x and y of a function.Jadual 3 menunjukkan nilai x dan nilai y bagi sesuatu fungsi

x -2 - 1 3y 3 6 18

Table 3Jadual 3

A. y = 1 – x C. y = x + 5B. y = 2x + 7 D. y = 3x + 9

6. Diagram 2 shows a graph on the Cartesian plane.Rajah 2 menunjukkan sebuah graf pada satah cartesan.

Diagram 2Rajah 2

Which of the following functions represent the graph?Antara berikut, fungsi yang manakah mewakili graf itu?A. y = – x + 2 C. y = x + 2B. y = 2x + 3 D. y = 3x + 2

7. Given the function y = 6 + x – 2x2, calculate the value of y when x = – 3.Diberi fungsi y = 6 + x – 2x2, hitung nilai bagi y apabila x = – 3.A. – 18 C. 18B. – 15 D. 21

3

1 2 3

1

2

3

0-1 x

y

Page 4: Graph of functions pmr paper 1

8. Table 4 shows the values of the variables x and y of a function.Jadual 4 menunjukkan nilai-nilai pembolehubah x dan y bagi suatu fungsi.

x 0 2 4y – 1 3 15

Table 4Jadual 4

Which of the following equations represents the function?Antara persamaan berikut , yang manakah mewakili fungsi itu?A. y = x – 1 C. y = x2 – 1 B. y = 2x – 1 D. y = 2x2 – 1

9. Given the function y = – x2 – x + 6, calculate the value of y when x = – 3.Diberi fungsi y = – x2 – x + 6, hitung nilai bagi y apabila x = – 3A. 0 C. – 2B. – 1 D. 3

10. Which of the following graphs represents the function y = 5 – x?Antara berikut graf yang manakah mewakili fungsi y = 5 – x?

A. C.

B. D.

4

0

5

5

y

x

0

5

-5

y

x

0 5

-5

y

x

0-5

-5

yx

Page 5: Graph of functions pmr paper 1

11. Given the function y = 2x2 – 5.Which of the following points does not lie on the graph of the function?Diberi fungsi y = 2x2 – 5.Antara titik berikut, yang manakah tidak terletak pada graf fungsi itu?A. (–4, 27)B. (–2, 3)C. (–1, –1)D. (3, 13)

12. The graph of function y = 9 – mx passes through (–1, 11). If the point (h, 5) lies on the graph, find the value of h.Graph bagi fungsi y = 9 – mx melalui (–1, 11). Jika titik (h, 5) terletak pada graf itu, cari bilai bagi h.A. –7 C. 2B. –2 D.

13. Table 5 shows the values of variables x and y for the function y = 1 – 3x2

Jadual 5 menunjukkan nilai-nilai pembolehubah x dan y bagi fungsi y = 1 – 3x2

x –1 0 1 2y m 1 –2 n

Table 5Jadual 5

Calculate the value of m + n.Hitung nilai m + nA. –7 C. –13B. –9 D. –15

14. Which of the following graphs represents y = x + 3?

Antara graf berikut, yang manakah mewakili y = x + 3?

A. C.

5 0

6

3

y

x

0 3

-6

y

x

Page 6: Graph of functions pmr paper 1

B. D.

15. Diagram 3 shows a graph of a function.Rajah 3 menunjukkan suatu graf fungsi.

Diagram 3Rajah 3

What is the function?Apakah fungsi itu?

A. y = – x + 6 C. y = – 2x – 6

B. y = x – 6 D. y = 2x – 6

16. Table 6 shows the values of variables x and y of the function y = 4x2 – 1.

Jadual 6 menunjukkan nilai-nilai bagi pembolehubah x dan y bagi fungsi y = 4x2 – 1.

x –1 0 1 2y h –1 3 k

Table 6Jadual 6

Calculate the value of h + kHitung nilai bagi h + kA. 18 C. 10B. 12 D. 2

6

0-3

-6

yx

0

3

-6

y

x

y

(12, 0)0

(0, –6)

x

Page 7: Graph of functions pmr paper 1

17. Diagram 4 shows the graph of a function.Rajah 4 menunjukkan sebuah graf fungsi.

Diagram 4Rajah 4

What is the equation of the function?Apakah persamaan fungsi itu?A. y = 2x – 6 B. y = 2x + 6C. y = x + 6D. y = x – 6

18. Which of the following is the table of values for the function y = x3?Antara yang berikut, yang manakah jadual nilai bagi fungsi y = x3?

A. C.

B. D.

7

-2

x

y

-4

-6

0 2 4

2

-2-4

1

3

2

4

3

5

4

6

x

y

1

3

2

6

3

9

4

12

x

y

1

1

2

4

3

9

4

16

x

y

1

1

2

8

3

27

4

64

x

y

Page 8: Graph of functions pmr paper 1

19. Table 6 shows the values of variables x and y of a function.Jadual 6 menunjukkan nilai-nilai pembolehubah x dan y bagi suatu fungsi.

x –2 1 2y –5 1 3

Table 6 Jadual 6The function isFungsi itu ialah

A. y = 4x + 1 B. y = 3x + 1C. y = 2x – 1 D. y = x – 1

20. Given a function y = 3x2 – x + 1, calculate the value of y when x = –2.Diberi suatu fungsi y = 3x2 – x + 1, hitungkan nilai y apabila x = –2.

A. –13 C. 11B. –9 D. 15

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