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Fungsi Kuadrat kelas 9

Mathematics

University

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Fungsi Kuadrat kelas 9
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7 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

fx) = x 22   + 5x + 7
jumlah nilai a +b +c adalah ...

12

13

14

15

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika 3(x + 2)2 = x(x + 3) dinyatakan dalam bentuk umum persamaan kuadrat akan menjadi ....

2x2 + 12x + 9 = 0

2x2 - 12x + 9 = 0

2x2 + 12x - 9 = 0

2x2 - 12x - 9 = 0

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nilai diskriminan dari f(x) = 3x2 – 7x + 4 adalah ....

1

4

7

-3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Koordinat titik balik grafik fungsi f(x) = 2x2 – 12x + 10 adalah ....

(3,8)

(3,6)

(3,-4)

(2, 8)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fungsi kuadrat yang memotong sumbu X di (-3,0) dan (2,0) serta memotong sumbu y di (0,12) adalah ....

f(x)=2x22x+12f\left(x\right)=-2x^2-2x+12

f(x)=2x2+2x12f\left(x\right)=-2x^2+2x-12

f(x)=2x2+2x12f\left(x\right)=2x^2+2x-12

f(x)=2x2+2x+12f\left(x\right)=2x^2+2x+12

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fungsi kuadrat yang mempunyai titik puncak (3,-8) dan memotong sumbu y di (0,10) adalah ....

f(x)=2x212+10f\left(x\right)=2x^2-12+10

f(x)=2x2+10x12f\left(x\right)=2x^2+10x-12

f(x)=2x2+12x+10f\left(x\right)=2x^2+12x+10

f(x)=2x210x 12f\left(x\right)=2x^2-10x\ -\ 12

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

grafik fungsi kuadrat

 y = 3x2  x  1 memotong sumbuY di (0,C) maka nilai dari 2C adalahy\ =\ 3x^2\ -\ x\ -\ 1\ memotong\ sumbu-Y\ di\ \left(0,C\right)\ maka\ nilai\ dari\ 2C\ adalah  

-2

-1

1

2

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