Page 10 - Modul A+1 MM Tingkatan 4

14. Lakar graf bagi fungsi kuadratik berikut.
Sketch the graph of the following quadratic functions. TP 3
2
Contoh/Example (a) y = 2x – 8 BAB 1
y = x – 9 y
2
y Tip SPM
Nilai c ialah pintasan-y bagi graf x
x –2 O 2
2
–3 O 3 y = x + c.
The value of c is the y-intercept of –8
2
the graph y = x + c.
–9
(b) y = 16 – x 2 (c) y = —(25 – x )
1
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2
y 2 y
16
25
—–
2
x x
–4 O 4 –5 O 5

15. Lakar graf bagi setiap fungsi berikut.
Sketch the graph for each of the following fucntions. TP 3

Contoh/Example (a) y = 2x – x 2

y = (x – 1)(x + 3) y
y

x x
–3 O 1 O 2

–3

2
(b) y = 2x + 15x + 25 (c) y = 24 – x – 3x 2
y y

24

x x
8
–5 5 O –3 O —
– —
2 3
16. Lakar graf fungsi berikut.
Sketch the graph of the following functions. TP 3

Contoh/Example (a) y = 2(x + 2) 2
y = (x – 3) 2 y
y
8

9 x
–2 O
x
O 3

(b) y = –x – 8x – 16 (c) y = –4x + 28x – 49
2
2
y y
x O x
7
–4 O —
2
–49
–16

7

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