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Fungsi Kuadrat

Authored by Dita Gayatri, S.Pd.

Mathematics

10th Grade

Used 46+ times

Fungsi Kuadrat
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20 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Jika grafik fungsi kuadrat memotong sumbu x di (4,0) dan (-3,0) maka persamaannya dapat dirumuskan dengan....

y = a(x - 3)(x + 4)

y = a(x + 3)(x - 4)

y = a(3x)(4x)

y = a(x + 3)(x + 4)

y = a(x - 3)(x - 4)

2.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Agar grafik fungsi kuadrat y = x2 + 4x + (6 + p) memotong sumbu x di dua titik maka nilai p haruslah....

p < -2

p < 2

p > 2

0 < p < 2

p > -2

3.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Persamaan kuadrat yang jumlah akar-akarnya -10 dan hasil kali akar-akarnya 21 adalah ...

x2 + 10x + 21

x2 - 10x + 21

x2 + 10x - 21

x2 - 10x - 21

4.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Parabola berikut yang memotong sumbu y di bawah sumbu x adalah....

y = x2 + 3x + 2

y = x2 + 3x - 3

y = -x2 + 4x + 1

y = x2 - 5x + 7

y = -x2 - 2x

5.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Koefisien x2 dari fungsi kuadrat y = (3x -4)(2x + 5) adalah ...

4

6

7

8

6.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Fungsi kuadrat yang tidak memotong sumbu x adalah...

y = 2x² + 5x + 3

y = x² - 5x - 14

y = 3x² - 7x + 5

y = 3x² + 7x + 5

7.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Parabola di bawah ini yang tidak menyinggung sumbu x adalah....

y = x2 + 4x + 4

y = x2 - 6x + 9

y = 2x2 - 4x + 2

y = x2 - 2x + 2

y = x2 - 10x + 25

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