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Fungsi Kuadrat

Authored by Darwati Darwati

Mathematics

11th Grade

Fungsi Kuadrat
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bentuk umum dari fungsi kuadrat adalah...

y = ax + b

y = ax² + bx + c

y = ax³ + bx² + cx + d

y = √x

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Grafik fungsi kuadrat berbentuk...

Garis lurus

Parabola

Lingkaran

Lingkaran

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nilai diskriminan (D) dari persamaan kuadrat ax² + bx + c = 0 adalah

b² - 4ac

b² + 4ac

a² - 4bc

a² + 4bc

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika nilai diskriminan (D) > 0, maka persamaan kuadrat memiliki akar-akar...

Real dan berbeda

Real dan sama

Imajiner

Tidak ada akar

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Titik puncak dari grafik fungsi kuadrat y = x² - 4x + 3 adalah...

(2, -1)

(-2, 11)

(1, 0)

(0, 3)

6.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Sumbu simetri dari grafik fungsi kuadrat y = 2x² + 8x - 5 adalah...

x = 2

x = -2

x = 4

x = -4

7.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Jika grafik fungsi kuadrat memotong sumbu-x di titik (2, 0) dan (4, 0), maka salah satu bentuk persamaannya adalah...

y = x² - 6x + 8

. y = x² + 6x + 8

y = x² - 6x - 8

y = x² + 6x - 8

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