Persamaan dan Fungsi Kuadrat

Persamaan dan Fungsi Kuadrat

11th Grade

10 Qs

quiz-placeholder

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Assessment

Quiz

Mathematics

11th Grade

Hard

Created by

Rince Ranti

Used 27+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 x2 + 5x 36 = 0 mempunyai akarakar persamaan kuadrat....x^2\ +\ 5x\ -36\ =\ 0\ mempunyai\ akar-akar\ persamaan\ kuadrat....  

3 dan 12

- 3 dan 12

9 dan 4

- 4 dan 9

- 9 dan 4

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Himpunan penyelesaian dari   2x2x3=02x^2-x-3=0  adalah

 {1,32}\left\{1,-\frac{3}{2}\right\}  

 {1,32}\left\{-1,\frac{3}{2}\right\}  

 {1,32}\left\{-1,-\frac{3}{2}\right\}  

 {1,32}\left\{1,\frac{3}{2}\right\}  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Persamaan kuadrat yang memiliki akar-akar  x1=7x_1=-7  dan  x2=2x_2=2  adalah....

 x2+5x+14=0x^2+5x+14=0  

 x2+5x14 = 0x^2+5x-14\ =\ 0  

 x25x+14=0x^2-5x+14=0  

 x25x14=0x^2-5x-14=0  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Nilai  dari persamaan kuadrat  x12+x22x_1^2+x_2^2  dari persamaan kuadrat  x23x18=0x^2-3x-18=0  adalah...

30

35

40

45

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Persamaan kuadrat  2x2+3x18=0-2x^2+3x-18=0  mempunyai akar-akar p dan q. Nilai  1/p+1/q1/p+1/q  adalah ...

 1/91/9  

 1/61/6  

 1/81/8  

 1/31/3  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui fungsi f(x)=x22x+3f\left(x\right)=x^2-2x+3 Nilai   f(1)f\left(1\right)  adalah....

2

3

4

5

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Grafik fungsi   f(x)=x2+5x+6f\left(x\right)=x^2+5x+6  memotong sumbu x   pada titik …

(2, 0) dan (3, 0)

(0, 2) dan (0, 3)

(–2, 0) dan (–3, 0)

(0, –2) dan (0, –3)

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