PERSAMAAN KUADRAT dan FUNGSI KUADRAT / IX

PERSAMAAN KUADRAT dan FUNGSI KUADRAT / IX

9th Grade

20 Qs

quiz-placeholder

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PERSAMAAN KUADRAT dan FUNGSI KUADRAT / IX

PERSAMAAN KUADRAT dan FUNGSI KUADRAT / IX

Assessment

Quiz

Mathematics

9th Grade

Medium

Created by

yuliana rita

Used 12+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Penyelesaian persamaan kuadrat  (x1 dan x2)\left(x_1\ dan\ x_2\right)          x2+13x+30=0x^2+13x+30=0  adalah…

 {10,3}\left\{10,-3\right\}  

 {2,15}\left\{-2,-15\right\}  

 {2,15}\left\{2,-15\right\}  

 {3,10}\left\{-3,-10\right\}  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Salah satu akar persamaan kuadrat  x29x+8=0x^2-9x+8=0 adalah…

 2-2  

 3-3  

1

4

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui persamaan kuadrat  2x212x8=02x^2-12x-8=0 .  Nilai  x1. x2=...x_1.\ x_2=...  

 4-4  

 44  

 6-6  

 66  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui persamaan kuadrat  x2+6x27=0x^2+6x-27=0   .   Nilai  x1+x2=...x_1+x_2=...  

 27-27  

 6-6  

 66  

 2727  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jenis akar dari persamaan kuadrat  x26x+9=0x^2-6x+9=0   adalah…(hitung D nya)

Real dan berlainan

Imajiner

imajiner dan sama

real dan sama

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika diketahui akar persamaan kuadrat adalah 3 dan 5 maka persamaan kuadratnya adalah…

x2+8x+15=0x^2+8x+15=0

x215x+8=0x^2-15x+8=0

x28x+15=0x^2-8x+15=0

x215x+8=0x^2-15x+8=0

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Persamaan kuadrat yang memiliki akar-akar 1-1   dan 6 adalah…

 x2+4x+12=0x^2+4x+12=0  

 x25x+6=0x^2-5x+6=0  

 x2+4x12=0x^2+4x-12=0  

 x25x6=0x^2-5x-6=0  

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