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Operasi dan Kesamaan Polinomial

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Asesmen Formatif

Asesmen Formatif

Assessment

Quiz

Mathematics

11th Grade

Hard

Created by

AHMAD NASHIRUDDIN

Used 2+ times

FREE Resource

6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui:

𝑃(𝑥) = 5𝑥3 − 3𝑥2 + 4𝑥 − 7

𝑄(𝑥) = 4𝑥4 + 5𝑥2 − 𝑥 + 10

𝑅(𝑥) = 3𝑥3 − 6𝑥 + 8

Selesaikan soal berikut!

a.   𝑄(𝑥) + 𝑅(𝑥) = ⋯​ ​ ​ ​ ​ ​ ​ ​ ​

4𝑥4 + 3𝑥3 + 5𝑥2 − 7𝑥 + 18

4𝑥4 + 6𝑥3 + 5𝑥2 − 4𝑥 + 18

4𝑥4 + 3𝑥3 + 3𝑥2 − 7𝑥 + 12

4𝑥4 + 3𝑥3 + 5𝑥2 − 𝑥 + 12

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui:

𝑃(𝑥) = 5𝑥3 − 3𝑥2 + 4𝑥 − 7

𝑄(𝑥) = 4𝑥4 + 5𝑥2 − 𝑥 + 10

𝑅(𝑥) = 3𝑥3 − 6𝑥 + 8

Selesaikan soal berikut!

b.   𝑅(𝑥) − 𝑃(𝑥) = ⋯

−2𝑥3 + 3𝑥2 − 10𝑥 + 15

𝑥3 + 𝑥2 − 10𝑥 + 13

𝑥3 + 𝑥2 − 𝑥 + 13

−𝑥3 + 3𝑥2 − 10𝑥 + 15

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui:

𝑃(𝑥) = 2𝑥3 − 𝑥2 + 4𝑥 − 5

𝑄(𝑥) = 4𝑥4 + 5𝑥2 − 𝑥 + 10

𝑅(𝑥) = 3𝑥3 − 6𝑥 + 8

Selesaikan soal berikut!

c.   𝑃(𝑥)×𝑄(𝑥)=⋯

= 12𝑥7 − 4𝑥6 + 27𝑥5 −27𝑥4 + 44𝑥3 − 69𝑥2 + 45𝑥 −  50

= 12𝑥7 − 4𝑥6 + 27𝑥5 −27𝑥4 + 42𝑥3 − 59𝑥2 + 47𝑥 −  50

= 12𝑥7 − 7𝑥6 + 27𝑥5 −27𝑥4 + 40𝑥3 − 59𝑥2 + 45𝑥 −  50

= 12𝑥7 − 4𝑥6 + 27𝑥5 −27𝑥4 + 41𝑥3 − 59𝑥2 + 45𝑥 −  50

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui:

𝑃(𝑥)=2𝑥3−𝑥2+4𝑥−5

a. 𝑃(6)

413

414

415

416

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui:

𝑄(𝑥)=4𝑥4+5𝑥2−𝑥+10

b. 𝑄(−3)

332

382

362

388

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui:

𝑅(𝑥)=3𝑥3−6𝑥+8

c. 𝑅(2)

20

30

40

50