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Transformasi Geomteri

Authored by Alya Wulandari

Mathematics

8th Grade

Transformasi Geomteri
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5 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Bayangan titik P(a,b) oleh rotasi terhadap titik pusat (0,0) sebesar -90⁰ adalah P′(-10, -2). Nilai dari a + 2b = ....

18

-18

8

-8

2.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Bayangan titik A dengan A(-1, 4) jika direflesikan terhadap garis y= -x adalah ....

A′ (4, 1)

A′ (-4, -1)

A′ (4, 1)

A′ (-4, 1)

3.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Bayangan titik P(5, 4) jika didilatasikan terhadap pusat (-2, -3) dengan faktor skala -4 adalah .....

(-30, 7)

( -14, -1)

(-30, -31)

(-14, -1)

4.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Titik B(3, -2) dirotasikan sebesar 90⁰ terhadap titik pusat P(-1, 1). Bayangan titik B adalah ....

B′ (1, 4)

B′ (-2, 1)

B′ (2, 5)

B′ (-2, 1)

5.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Diketahui koordinat titik P(-8, 12). Dilatasi (P, 1) memetakan titik (-4, 8) ke titik ....

(4, -8)

(4, 16)

(-4, -8)

(-4, 8)

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