Fungsi Kuadrat

Fungsi Kuadrat

1st - 3rd Grade

20 Qs

quiz-placeholder

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Fungsi Kuadrat

Fungsi Kuadrat

Assessment

Quiz

Mathematics

1st - 3rd Grade

Medium

Created by

Veronika Ratri

Used 203+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jika diketahui fungsi kuadrat sebagai berikut: f(x)=x23xf\left(x\right)=x^2-3x  maka nilai  f(2)f\left(2\right)  
adalah ....

- 2

- 1

1

2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Diketahui fungsi kuadrat sebagai berikut: f(x) =ax+9f\left(x\right)\ =-ax+9  
jika 
 f(3)=0f\left(-3\right)=0  
maka nilai a adalah ...

-2

-1

1

2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 y=2020x2+2030x5y=2020x^2+2030x-5  

Titik potong grafik fungsi kuadrat diatas terhadap sumbu y adalah ....

 (5,0)\left(-5,0\right)  

 (0,5)\left(0,-5\right)  

 (0,2020)\left(0,2020\right)  

 (0,2030)\left(0,2030\right)  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt


Salah satu titik potong grafik fungsi kuadrat
 f(x)=x2+3x10f\left(x\right)=x^2+3x-10  
terhadap sumbu x adalah ....

( 5, 0 )

(  2,  0)

( - 2, 0)

( -5, 2)

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Sumbu simetri parabola 
 f(x)=x25x+3f\left(x\right)=x^2-5x+3  
adalah ....

 x=32x=\frac{3}{2}  

 x=32x=-\frac{3}{2}  

 x=52x=\frac{5}{2}  

 x=52x=-\frac{5}{2}  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Nilai minimum fungsi 
 f(x)=x25x+4f\left(x\right)=x^2-5x+4  
adalah ....

 94-\frac{9}{4}  

 94\frac{9}{4}  

 52\frac{5}{2}  

 52-\frac{5}{2}  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Grafik  f(x)=4xx2f\left(x\right)=4x-x^2  
yang benar adalah ...

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