Quiz about Persamaan Kuadrat

Question 1

Himpunan penyelesaian dari persamaan kuadrat $$3x^2-5x-2=0$$ adalah ....

Accepted Answer

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

Answer

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

Answer

$$\left\{3,\ 2\right\}$$

Answer

$$\left\{5,\ 3\right\}$$

Answer

$$\left\{-2,\ 3\right\}$$

Question 2

Akar-akar persamaan kuadrat $$6x^2-x-2=0$$ adalah ....

Accepted Answer

$$-\frac{1}{2}\ dan\ \frac{2}{3}$$

Answer

$$\frac{1}{2}\ dan\ -\frac{2}{3}$$

Answer

$$-3\ dan\ 4$$

Answer

$$-3\ dan\ -4$$

Answer

$$-\frac{2}{3}\ dan\ -\frac{1}{2}$$

Question 3

Persamaan kuadrat yang akar-akarnya 1 dan $$-\frac{7}{4}$$ adalah ....

Accepted Answer

$$4x^2+3x-7=0$$

Answer

$$4x^2-3x-7=0$$

Answer

$$4x^2+3x+7=0$$

Answer

$$4x^2-3x+7=0$$

Answer

$$4x^2+7x-3=0$$

Question 4

Persamaan kuadrat yang akar-akarnya 2 dan $$-\frac{3}{5}$$ adalah ....

Accepted Answer

$$5x^2-7x-6=0$$

Answer

$$5x^2+7x-6=0$$

Answer

$$5x^2-7x+6=0$$

Answer

$$5x^2+7x+6=0$$

Answer

$$5x^2-6x-7=0$$

Question 5

Akar-akar persamaan kuadrat $$4x^2+4x-8=0$$ adalah ....

Accepted Answer

$$-2\ dan\ 1$$

Answer

$$2\ dan\ -1$$

Answer

$$-1\ dan\ 2$$

Answer

$$1\ dan\ -2$$

Answer

$$-\frac{4}{3}\ dan\ \frac{2}{3}$$

Question 6

Himpunan penyelesaian dari persamaan kuadrat $$2x^2-3x+1=0$$ adalah ....

Accepted Answer

$$\left\{1,\ -\frac{1}{2}\right\}$$

Answer

$$\left\{-1,\ \frac{1}{2}\right\}$$

Answer

$$\left\{2,\ -1\right\}$$

Answer

$$\left\{3,\ 2\right\}$$

Answer

$$\left\{-1,\ -2\right\}$$

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