Persamaan_Kuadrat

Persamaan_Kuadrat

9th Grade

15 Qs

quiz-placeholder

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Persamaan_Kuadrat

Persamaan_Kuadrat

Assessment

Quiz

Mathematics

9th Grade

Medium

CCSS
HSA-REI.B.4B

Standards-aligned

Created by

qory alifatuzzahro

Used 21+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Akar-akar dari persamaan  x24x32=0x^2-4x-32=0  adalah ....

 x1=8x_1=-8  atau  x2=4x_2=4  

 x1=8x_1=8  atau  x2=4x_2=-4  

 x_1=-8  atau  x2=4x_2=-4  

 x1=8x_1=8  atau  x_2=4  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Himpunan penyelesaian dari persamaan kuadrat  2x2x10=02x^2-x-10=0  adalah ....

 {52, 2}\left\{-\frac{5}{2},\ -2\right\}  

 {2, 52}\left\{2,\ \frac{5}{2}\right\}  

 {2, 52}\left\{-2,\ \frac{5}{2}\right\}  

 {52, 2}\left\{-\frac{5}{2},\ 2\right\}  

Tags

CCSS.HSA-REI.B.4B

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Jumlah akar-akar dari persamaan kuadrat  x27x+10=0x^2-7x+10=0  adalah ....

 10-10  

 7-7  

 77  

 1010  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Akar-akar dari persamaan  4x216x+15=04x^2-16x+15=0   adalah  x1x_1  dan  x2x_2 . Jika  x1>x2x_1>x_2 , maka nilai  x1x2x_1-x_2  adalah ....

 4-4  

 1-1  

 11  

 44  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Hasil kali akar-akar persamaan kuadrat  14x24=3x214x-24=-3x^2  adalah ....

 1212  

 88  

 8-8  

 24-24  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Persamaan kuadrat yang akar-akarnya  88  dan  5-5  adalah ....

 x2+3x40=0x^2+3x-40=0  

 x2+3x+40=0x^2+3x+40=0  

 x23x40=0x^2-3x-40=0  

 x23x+40=0x^2-3x+40=0  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Penyelesaian dari persamaan  6y212y=06y^2-12y=0  adalah ....

 y1=2y_1=-2  atau  y2=6y_2=6  

 y1=0y_1=0  atau  y2=2y_2=2  

 y1=2y_1=-2  atau  y2=0y_2=0  

 y1=0y_1=0  atau  y2=6y_2=6  

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