Quiz about PTS Matematika X SMK Smt 1

Question 1

Di bawah ini, manakah yang bukan termasuk dalam persamaan kuadrat?

Accepted Answer

$$9x-4=0$$

Answer

$$9-x^2=0$$

Answer

$$6x^2+12x-4=0$$

Answer

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

Question 2

Tentukan nilai c dari persamaan di bawah ini!

$$2x-8+4x^2=0$$

Accepted Answer

-8

Answer

2

Answer

8

Answer

4

Question 3

Pak Rahmat sedang membangun sebuah tembok rumah. Untuk membangun tembok tersebut, Pak Rahmat memerlukan 100 bata yang disusun seperti gambar disamping. Karena dirasa tembok tersebut kurang tinggi, Pak Rahmat mengurangi panjang tembok sebanyak 2 bata, dan menambahkan 5 bata pada lebar tembok. Tentukan model matematika berbentuk persamaan kuadrat untuk tembok baru Pak Rahmat apabila dimisalkan x = panjang tembok dan y = lebar tembok!

Accepted Answer

$$10y-2y^2-100=0$$

Answer

$$-10y-2y^2-100=0$$

Answer

$$10y+2y+100=0$$

Answer

$$10y-2y^2+100=0$$

Question 4

Tentukan hasil akar dari persamaan di bawah ini!

$$x^2-13x+42=0$$

Accepted Answer

$$X_1=6\ dan\ X_2=7$$

Answer

$$X_1=-6\ dan\ X_2=-7$$

Answer

$$X_1=-6\ dan\ X_2=7$$

Answer

$$X_1=6\ dan\ X_2=-7$$

Question 5

Tentukan nilai akar dari persamaan kuadrat berikut ini!

$$4x^2-4x-8=0$$

Accepted Answer

$$X_1=2\ dan\ X_2=-1$$

Answer

$$X_1=-2\ dan\ X_2=-1$$

Answer

$$X_1=-2\ dan\ X_2=1$$

Answer

$$X_1=2\ dan\ X_2=1$$

Question 6

Tentukan nilai akar dari persamaan kuadrat di bawah ini!

$$3x^2+4x-1=0$$

Accepted Answer

$$X_1=\frac{-2+\sqrt[]{7}}{3}\ dan\ X_2=\frac{-2-\sqrt[]{7}}{3}$$

Answer

$$X_1=\frac{2+\sqrt[]{7}}{3}\ dan\ X_2=\frac{-2-\sqrt[]{7}}{3}$$

Answer

$$X_1=\frac{-2+\sqrt[]{7}}{3}\ dan\ X_2=\frac{2-\sqrt[]{7}}{3}$$

Answer

$$X_1=\frac{2+\sqrt[]{7}}{3}\ dan\ X_2=\frac{2-\sqrt[]{7}}{3}$$

Question 7

Tentukan terbuka ke arah mana grafik fungsi kuadrat dibawah ini!

$$f\left(x\right)=2x^2-4x+5$$

Accepted Answer

Ke atas

Answer

Ke bawah

Answer

Ke kanan

Answer

Ke kiri

Question 8

Tentukan grafik fungsi kuadrat berikut ini!

$$f\left(x\right)=x^2-4x-4$$

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 9

Perhatikan gambar di samping, tentukan nilai dari $$\sin\propto$$

Accepted Answer

$$\sin\propto=\ \frac{8}{17}$$

Answer

$$\sin\propto=\ \frac{9}{15}$$

Answer

$$\sin\propto=\ \frac{15}{17}$$

Answer

$$\sin\propto=\ \frac{15}{8}$$

Question 10

$$Nilai\ dari\ \sin\propto=\ \frac{3}{5},\ tentukan\ nilai\ dari\ an\propto=$$

Accepted Answer

$$ an\propto=\ \frac{3}{4}$$

Answer

$$ an\propto=\ \frac{4}{5}$$

Answer

$$ an\propto=\ \frac{5}{3}$$

Answer

$$ an\propto=\ \frac{4}{3}$$

Question 11

$$\frac{16}{36}\pi=......^{\circ}$$

Accepted Answer

80

Answer

160

Answer

5

Answer

75

Question 12

$$210^{\circ}=......\pi$$

Accepted Answer

$$\frac{7}{6}\pi$$

Answer

$$\frac{6}{7}\pi$$

Answer

$$\frac{3}{5}\pi$$

Answer

$$\frac{4}{16}\pi$$

Question 13

Ada di kuadran berapa sudut $$-30^{\circ}$$

Accepted Answer

Kuadran IV

Answer

Kuadran I

Answer

Kuadran II

Answer

Kuadran III

Question 14

$$Jika\ nilai\ \sin heta\ <\ 0\ dan\ an heta>0,\ maka\ sudut\ tersebut\ terdapat\ pada\ kuadran\ ...$$

Accepted Answer

Kuadran III

Answer

Kuadran I

Answer

Kuadran II

Answer

Kuadran IV

Question 15

Tentukan nilai dari $$\cos\ 330^{\circ}$$

Accepted Answer

$$\frac{1}{2}\sqrt[]{3}$$

Answer

$$\frac{1}{2}$$

Answer

$$-\frac{1}{2}\sqrt[]{3}$$

Answer

$$\frac{1}{3}\sqrt[]{3}$$

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