Quiz about Persamaan Garis Lurus Kelas 8

Question 1

Dari persamaan-persamaan berikut, manakah yang merupakan persamaan garis lurus?

Accepted Answer

$$y\ =5x\ +\ 2$$

Answer

$$\frac{ ext{4}x}{y}=\ 12$$

Answer

$$4x\ -\ xy\ =\ 8$$

Answer

$$6x\ -\ 5y\ =\ 2x$$

Question 2

Manakah di bawah ini yang merupakan bentuk persamaan eksplisit?

Accepted Answer

$$y\ =\ 2x\ +\ 4$$

Answer

$$2x\ -\ 3y\ -\ 6\ =\ 0$$

Answer

$$\frac{x}{3}+\ 5y\ =\ 1$$

Answer

$$2x\ -\ 3y\ +\ 12\ =\ 0$$

Question 3

Manakah di bawah ini yang merupakan bentuk persamaan implisit?

Accepted Answer

$$5x\ -\ 2y\ -\ 10\ =\ 0$$

Answer

$$y\ =\ -3x\ +\ 6$$

Answer

$$y\ =\ 2\frac{1}{2}x\ +\ 3$$

Answer

$$y\ =\ -\frac{3}{4}x\ +\ 3$$

Question 4

Berapa nilai gradien pada persamaan $$4x\ +\ 3y\ -\ 12\ =\ 0$$ ?

Accepted Answer

$$m\ =-\frac{4}{3}$$

Answer

$$m\ =\ \frac{4}{3}$$

Answer

$$m\ =\ \frac{3}{4}$$

Answer

$$m\ =\ -\frac{3}{4}$$

Question 5

Berapa nilai gradien pada persamaan $$y\ =\frac{2}{3}x\ +\ 2$$ ?

Accepted Answer

$$m\ =\ \frac{2}{3}$$

Answer

$$m\ =\ -\frac{2}{3}$$

Answer

$$m\ =\ -2$$

Answer

Question 6

Gradien dari persamaan garis $$8x\ -\ 4y\ =\ 16$$ adalah ...

Accepted Answer

$$m\ =\ 2$$

Answer

$$m\ =\ -2$$

Answer

$$m\ =\ 4$$

Answer

$$m\ =\ -4$$

Question 7

Gradien garis dari persamaan $$y\ =\ \frac{1}{2}x\ -\ 8$$ adalah ...

Accepted Answer

$$m\ =\frac{1}{2}$$

Answer

Answer

$$m\ =-\frac{1}{2}$$

Answer

$$m\ =\ 8$$

Question 8

Titik potong pada sumbu $$x$$ , jika y = 0 di persamaan $$3x\ +\ 2y\ =\ 8$$ adalah ...

Accepted Answer

$$\left(\frac{8}{3},\ 0\right)$$

Answer

$$\left(-\frac{8}{3},\ 0\right)$$

Answer

$$\left(4,\ 0\right)$$

Answer

$$\left(-4,\ 0\right)$$

Question 9

Titik potong pada sumbu y , jika x = 0 di persamaan $$3x\ +\ 2y\ =\ 8$$ adalah ...

Accepted Answer

$$\left(0,\ 4\right)$$

Answer

$$\left(0,\ -4\right)$$

Answer

$$\left(0,\ \frac{8}{3}\right)$$

Answer

$$\left(0,\ -\frac{8}{3}\right)$$

Question 10

Titik potong sumbu x dan sumbu y dari persamaan $$3x\ +\ 2y\ =-12$$ dengan menentukan nilai x = 0 dan y = 0 adalah ...

Accepted Answer

$$\left(0,\ -6\right)\ dan\ \left(-4,\ 0\right)$$

Answer

$$\left(0,\ 6\right)\ dan\ \left(4,\ 0\right)$$

Answer

$$\left(0,\ -6\right)\ dan\ \left(4,\ 0\right)$$

Answer

$$\left(0,\ 6\right)\ dan\ \left(-4,\ 0\right)$$

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