PANGKAT DAN PERSAMAAN KUADRAT

PANGKAT DAN PERSAMAAN KUADRAT

9th Grade

10 Qs

quiz-placeholder

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PANGKAT DAN PERSAMAAN KUADRAT

PANGKAT DAN PERSAMAAN KUADRAT

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

usman maseri

Used 9+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diberikan persamaan kuadrat sebagai berikut:
 2x2+x6=02x^2+x-6=0  
Faktorkan persamaan-persamaan di atas dengan menggunakan Rumus ABC!
A. -2
B. -1
C. 0
D. 1
E. 2

 -2

 -1

 0

1

 2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 6x22x+3 = 06x^2-2x+3\ =\ 0  

Hasil kali akar-akar persamaan kuadrat diatas 
adalah ...

3

2

1/2

-1/2

-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Akarakar persamaankuadrat x2+3x2=0 adalah x1dan x2.Nilai 1x1 + 1x2 adalah ...Akar-akar\ persamaankuadrat\ x^2+3x–2=0\ adalah\ x1dan\ x2.Nilai\ \frac{1}{x1}\ +\ \frac{1}{x2}\ adalah\ ...  



-2/3

-3/2

2/3

3/2

5/2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Akar-akar persamaan kuadrat x2 – x + 3 = 0 adalah x1 dan x2. Persamaan kuadrat dengan akar-akar (x1 + 2) dan (x2 + 2)adalah …

x2 – x + 9 = 0

x2 + 5x + 9 = 0

x2 – 5x – 9 = 0

x2 – 5x + 5 = 0

x2 – 5x + 9 = 0

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 y= x25x+3y=\ x^2-5x+3  

Nilai Sumbu simetri pada persamaan fungsi diatas adalah ...

x = 3/2

x = 2/3

x = 5/2

x = 2/5

x = 3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ordinat titik balik maksimum grafik fungsi y = -x2 – (p – 2)x + (p – 4) adalah 6. Absis titik balik maksimum adalah …

-4

-2

-1/6

1

5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nilai minimum fungsi f(x) = x2 – 5x + 4 adalah ….

–9/4

9/4

5/2

-5/2

4

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