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GARIS LURUS

Authored by MPDCA Sekolah Menengah

Mathematics

8th Grade - Professional Development

Used 11+ times

GARIS LURUS
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kecerunan garis lurus  3y+4x+3=03y+4x+3=0  ialah

 −43-\frac{4}{3}  

 −34-\frac{3}{4}  

 −4-4  

 −3-3  

Answer explanation

 y=−43x−33y=-\frac{4}{3}x-\frac{3}{3}  bandingkan dengan
 y=mx+cy=mx+c  
 m=−43m=-\frac{4}{3}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pintasan -x bagi  x5+y3=1\frac{x}{5}+\frac{y}{3}=1  

5

3

1

15

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hitung jarak di antara pasangan titik (2, –3) dan (4, –3)

-6

6

-2

2

Answer explanation

Jarak di antara titik 4−2=24-2=2 unit

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Rumus kecerunan ialah

m=y1−y2x1−x2m=\frac{y_1-y_2}{x_1-x_2}

m=y2−y1x2−x1m=\frac{y_2-y_1}{x_2-x_1}

m=−yxm=-\frac{y}{x}

m=−pintasan − ypintasan − xm=-\frac{pintasan\ -\ y}{pintasan\ -\ x}

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Tentukan kecerunan garis lurus PQ

53\frac{5}{3}

−53-\frac{5}{3}

35\frac{3}{5}

−35-\frac{3}{5}

Answer explanation

Kecerunan =Jarak mencancangJarak mengufuk=35Kecerunan\ =\frac{Jarak\ mencancang}{Jarak\ mengufuk}=\frac{3}{5}

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Tentukan kecerunan bagi garis lurus berikut

43\frac{4}{3}

34\frac{3}{4}

−34-\frac{3}{4}

−43-\frac{4}{3}

Answer explanation

Kecerunan=−pintasan − xpintasan − y=−43Kecerunan=-\frac{pintasan\ -\ x}{pintasan\ -\ y}=-\frac{4}{3}

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hitung koordinat titik tengah bagi garis lurus AB dengan A(2, 5) dan B(2, 1).

(2 , 3)

(-2 , 3)

(2 , -3)

(-2 , -3)

Answer explanation

(2+22,5+12)=(2, 3)\left(\frac{2+2}{2},\frac{5+1}{2}\right)=\left(2,\ 3\right)

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