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PH-3 Kelas 9 (Fungsi Kuadrat) T.P. 2020/2021

Authored by Sari Al Adzkar

Mathematics

9th Grade

CCSS covered

Used 63+ times

PH-3 Kelas 9 (Fungsi Kuadrat) T.P. 2020/2021
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20 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

(3,8)

(3,6)

(3,-4)

(2, 8)

2.

MULTIPLE CHOICE QUESTION

5 mins • 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

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diketahui persamaan kuadrat 3x2 - 8x + 1 = 0. Nilai diskriminan persamaan tersebut adalah ....

76

64

54

52

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Sumbu simetri kurva fungsi  y=x28x+12y=x^2-8x+12  kuadrat  adalah …

 x=2x=2  

 x=3x=-3  

 x=4x=4  

 x=5x=-5  

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Titik puncak dari kurva fungsi kuadrat                      y=x2+4x5y=x^2+4x-5   adalah …

 (2,9)\left(-2,-9\right)  

 (4,5)\left(-4,5\right)  

 (2,9)\left(2,9\right)  

 (4,3)\left(4,-3\right)  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Fungsi kuadrat   y=x2+2x+24y=-x^2+2x+24  memiliki kurva …

terbuka ke atas

terbuka ke kanan

terbuka ke bawah

terbuka ke kiri

Tags

CCSS.HSF-IF.C.7A

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Grafik fungsi y = f( x ) = x2 - 7x + 12 memotong sumbu x di titik....

( 2, 0 ) dan ( 6, 0 )

( 3, 0 ) dan ( 4, 0 )

(- 2, 0 ) dan ( 6, 0 )

( -3, 0 ) dan ( 4, 0 )

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