Quiz about MID SEMESTER GANJIL MATEMATIKA KELAS 9

Question 1

Bentuk notasi eksponensial dari perkalian 2 x 2 x 2 x 3 x 3 x 3 x 3 x 5 x 5 x 5 x 5 x 5

Accepted Answer

$$2^3$$ x $$3^4$$ x $$5^5$$

Answer

$$2^2$$ x $$3^4$$ x $$5^3$$

Answer

$$2^3$$ x $$3^3$$ x $$5^4$$

Answer

$$2^3$$ x $$3^4$$ x $$5^4$$

Question 2

Hasil dari $$\left(-2\right)^3$$ + $$\left(-3\right)^2$$

Accepted Answer

1

Answer

-1

Answer

-2

Answer

2

Question 3

Hasil dari $$\left(-10\right)^4$$ : $$2^3$$

Accepted Answer

1250

Answer

250

Answer

125

Answer

-1250

Question 4

Hasil dari $$\left(\frac{- ext{1}}{ ext{3}} ight)^3$$

Accepted Answer

$$\left(\frac{ ext{-1}}{ ext{27}} ight)$$

Answer

$$\frac{ ext{1}}{ ext{27}}$$

Answer

$$\left(\frac{ ext{-1}}{ ext{9}} ight)$$

Answer

$$\frac{ ext{1}}{ ext{9}}$$

Question 5

Bentuk sederhana pangkat positif dari $$\left(4^{-2\ }x\ ^3\ y^{-2}\right)\ :\ \left(2x^{-2}\ y^{-3}\right)^{-2}$$

Accepted Answer

$$\frac{1}{2^2\ x^7\ y^8}$$

Answer

$$ ext{}\frac{4}{x^7\ y^8}$$

Answer

$$\frac{1}{2x^{7\ }y^8}$$

Answer

$$\frac{2}{x^{7\ }y^8}$$

Question 6

Kebalikan dari $$\left(\frac{ ext{-3}}{ ext{4}} ight)^3$$

Accepted Answer

$$-\frac{ ext{64}}{ ext{27}}$$

Answer

$$-\frac{ ext{27}}{ ext{64}}$$

Answer

$$\frac{ ext{64}}{ ext{27}}$$

Answer

$$\frac{ ext{27}}{ ext{64}}$$

Question 7

Hasil dari $$\left(-3 ight)^2\ +\ \left(\frac{ ext{2}}{ ext{5}} ight)^3$$

Accepted Answer

$$9\ \frac{ ext{8}}{ ext{125}}$$

Answer

$$-9\ \frac{ ext{8}}{ ext{125}}$$

Answer

$$-9\ \frac{ ext{6}}{ ext{125}}$$

Answer

$$9\ \frac{ ext{6}}{ ext{125}}$$

Question 8

Hasil dari $$\left(\frac{ ext{3}}{ ext{4}} ight)^2\ :\ \left(\frac{ ext{-3}}{ ext{4}} ight)^3$$

Accepted Answer

$$-\frac{ ext{4}}{ ext{3}}$$

Answer

$$\frac{ ext{4}}{ ext{3}}$$

Answer

$$-\frac{ ext{3}}{ ext{4}}$$

Answer

$$\frac{ ext{3}}{ ext{4}}$$

Question 9

Faktor dari $$x^{2\ }+\ 5x$$ adalah

Accepted Answer

$$x\ \left(x\ +5\right)$$

Answer

$$x\ \left(x\ -\ 5\right)$$

Answer

$$x\ \left(x^2\ +\ 5\right)$$

Answer

$$x\ \left(x\ +5x\right)$$

Question 10

Cara menentukan akar persamaan kuadrat ada tiga, kecuali ....

Accepted Answer

mengalikan dengan sekawannya

Answer

melengkapi kuadrat sempurna

Answer

memfaktorkan

Answer

rumus kuadratik rumus abc

Question 11

Faktor dari $$x^{2\ }-5x\ +\ 6\ =\ 0$$

Accepted Answer

$$\left(x\ +\ 2\right)\ \left(x\ +\ 3\right)\ =0$$

Answer

$$\left(x\ -2\right)\ \left(x\ -3\right)=0$$

Answer

$$\left(x\ -2\right)\ \left(x\ +3\right)=0$$

Answer

$$\left(x\ +2\right)\ \left(x\ -3\right)=0$$

Question 12

Akar - akar dari persamaan kuadrat $$x^2\ +7x\ +12\ =0$$

Accepted Answer

$$x=-3\ atau\ x=-4$$

Answer

$$x=3\ atau\ x=4$$

Answer

$$x=-2\ atau\ x=-6$$

Answer

$$x=-1\ atau\ x=-12$$

Question 13

Nilai diskriminan persamaan kuadrat $$x^2\ +6x\ +8=0$$

Accepted Answer

4

Answer

2

Answer

8

Answer

36

Question 14

Persamaan kuadrat yang akar - akarnya 5 dan 2 adalah ....

Accepted Answer

$$x^2\ -7x\ +10\ =0$$

Answer

$$x^2\ +7x\ +10\ =0$$

Answer

$$x^2\ +3x\ +10\ =0$$

Answer

$$x^2\ +7x\ -10\ =0$$

Question 15

Bentuk perkalian berulang dari $$-2^4$$

Accepted Answer

-2 x -2 x -2 x -2

Answer

-2 x 4

Answer

2 x 2 x 2 x 2

Answer

4 x 4 x 4 x 4

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