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Bab 1 Fungsi dan persamaan kuadratik dalam satu pembolehubah

Authored by LAU Moe

Mathematics

10th - 11th Grade

Used 12+ times

Bab 1 Fungsi dan persamaan kuadratik dalam satu pembolehubah
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18 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Diberi persamaan kuadratik 2x2 + 6x - 56 = 0. Cari nilai-nilai x.

x = 7, x = 4
x = 7, x = -4
x = -7, x = 4
x = -7, x = -4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Graf suatu fungsi kuadratik mempunyai titik minimum (2, –8). Cari persamaan paksi simetri graf itu.

x=8x=-8

x=3x=-3

x=2x=-2

x=2x=2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tentukan paksi simetri bagi fungsi kuadratik  f(x)=12x24x+2f(x)=-\frac{1}{2}x^2–4x+2 . Guna formula  b2a-\frac{b}{2a}  

-4

4

5

-5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Rajah di bawah menunjukkan graf fungsi kuadratik.

Tentukan nilai h.

3

5

6

7

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Selesaikan persamaan kuadratik berikut:

(x + 2)2 = 2x + 7

x = 1, x = -1

x = 3, x = -3

x = 1, x = -3

x = -1, x = 3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Selesaikan persamaan kuadratik

(m + 2)(m – 4) = 7(m – 4).

m = -4, m = -5

m = 4, m = -5

m = 5, m = 4

m = -4, m = 5

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Tentukan koordinat maksimum/minimum bagi fungsi kuadratik  f(x)=x24x+3f(x)=x^2–4x+3 

(-2,-1)

(2,-1)

(-2,1)

(2,1)

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