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Sumbu simetri dan nilai optimum

Authored by Chatrine Purba

Mathematics

9th Grade

Used 48+ times

Sumbu simetri dan nilai optimum
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Tentukan sumbu simetri grafik fungsi berikut

 y=2x25xy=2x^2-5x 

2

2,5

-2

-2,5

2.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

Tentukan sumbu simetri grafik fungsi berikut

 y=3x2+12xy=3x^2+12x  

3.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

Tentukan sumbu simetri grafik fungsi berikut

 y=8x216x1y=-8x^2-16x-1  

4.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

Tentukan nilai optimum grafik fungsi berikut

 y=6x2+24x19y=-6x^2+24x-19   

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Tentukannilai optimum grafik fungsi berikut
 

 y=25x23x+15y=\frac{2}{5}x^2-3x+15  

 258\frac{25}{8}  

 258-\frac{25}{8}  

 758\frac{75}{8}  

 758-\frac{75}{8}  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Tentukan nilai optimum grafik fungsi berikut

 y=34x2+7x18y=-\frac{3}{4}x^2+7x-18  

 53-\frac{5}{3}  

 53\frac{5}{3}  

 2-2  

 22  

7.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

Diketahui suatu barisan 1, 7, 16 .... Suku ke-n dari barisan tersebut dapat dihitung dengan rumus

 Un=an2+bn+cUn=an^2+bn+c . Centanglah pernyataan yang benar di bawah ini.

 a=32a=\frac{3}{2}  

 b=32b=\frac{3}{2}  

 c=2c=-2  

 a=8a=8  

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