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) = ⋯
Asesmen Formatif
Quiz
•
Mathematics
•
11th Grade
•
Hard
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
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