vaazi

vaazi

12th Grade

21 Qs

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PH 2 (PERSAMAAN KUADRAT) KELAS IX

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vaazi

vaazi

Assessment

Quiz

Mathematics

12th Grade

Easy

Created by

vaazi 17

Used 4+ times

FREE Resource

21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

jika diketahui titi puncak fungsi kuadrat (2,3) maka persamaan nya adalah

y - 3 = a(x + 2)^2

y - 2 = a(x - 3)^2

y + 3 = a(x - 2)^2

y - 3 = a(x - 2)^2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

jika diketahui titi fungsi kuadrat memotong di titik (d,0) dan (f,0) maka persamaan fungsi kuadratnya adalah?

y= a(x + d)(x + f)

y= a(x - d)(x - f)

y= a(x - d)(x + f)

y= (x - d)(x - f)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

rumus jumlah suku pertama hingga suku ke n dalam barisan aritmatika

s(n) = (n/2) * (2a + (n-1)b) + 1

s(n) = (n/2) * (2a + (n-1)d) - 1

s(n) = (n/2) * (2a + (n-1)d)

s(n) = (n/2) * (2a + (n-1)d) * 2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

rumus jumlah suku pertama hingga suku ke n dalam barisan geometri

Sn = a1 * (1 + r^n) / (1 + r)
Sn = a1 * (1 + r^n) / (1 - r)
Sn = a1 * (1 - r^n) / (1 + r)
Sn = a1 * (1 - r^n) / (1 - r)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

rumus mencari nilai sumbu simetri dalam fungsi kuadrat

x = -c / (2a)
x = -b / (2c)
x = -a / (2b)
x = -b / (2a)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

rumus mencari nilai titik puncak dalam fungsi kuadrat

-d/a

d/4a

-d/4a

d/a

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

jika d > 0, maka memotong sumbu x di (.......) titik berbeda & memiliki (.......) akar berbeda dengan angka (........)

 

2,2,real

1,1,tidak real

1,1,real

2,2,tidak real

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