Pada fungsi polinom 5x2 + 3x + 4 = 0. Tentukan x1 + x2 !
Contoh Soal Polinomial Kelas 11

Quiz
•
Mathematics
•
11th Grade
•
Hard
Erna Yulianti
FREE Resource
9 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Dari fungsi polinom 5x2 + 3x + 4 = 0. Berapakah nilai x1 . x2 !
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
Tentukan hasil pembagian dari fungsi polinomial x3 + 4x2 + 3x + 1 = 0 dengan x – 2 menggunakan cara pembagian bersusun.
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4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suku banyak 𝑓(𝑥) dibagi dengan (𝑥+2) mempunyai sisa 14, dibagi dengan (𝑥-4) mempunyai sisa -4. 𝑓(𝑥) dibagi dengan 𝑥2-2𝑥-8 mempunyai sisa ….
-3𝑥 – 8
-3𝑥 +8
-3𝑥 – 20
3𝑥 + 20
3𝑥 – 8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suku banyak 𝑓(𝑥) jika dibagi (𝑥-2) sisanya 24, dan jika 𝑓(𝑥) dibagi (𝑥+5) sisanya 10. Apabila 𝑓(𝑥) tersebut dibagi 𝑥2 + 3 – 10 sisanya ….
𝑥 + 34
𝑥 – 34
𝑥 + 10
2𝑥 + 20
2𝑥 – 20
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
jika 𝑓(𝑥) dibagi (𝑥+5) sisanya 10. Apabila 𝑓(𝑥) tersebut dibagi 𝑥2 + 3 – 10 sisanya ….
𝑥 + 34
𝑥 – 34
𝑥 + 10
2𝑥 + 20
2𝑥 – 20
7.
OPEN ENDED QUESTION
3 mins • 1 pt
Diketahui polinomial 𝑓(𝑥) = 𝑥5 − 3𝑥 7 + 2𝑥 − 7𝑥4 + 14. Derajat polinomial 𝑓(𝑥) adalah …
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8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suku banyak 𝑓(𝑥) = 𝑥3 – a𝑥2 + b𝑥 – 2 mempunyai faktor (𝑥-1). Jika dibagi oleh (𝑥+2) sisanya -36, maka a + b adalah ….
a. 5
b. 6
c. 7
d. 8
e. 9
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui (𝑥-2) adalah faktor P(𝑥) = 2𝑥3 + 𝑥3 – 7𝑥 – 6. Salah satu faktor lainnya adalah ….
a. 𝑥 + 3
b. 𝑥 – 3
c. 𝑥 – 2
d. 2𝑥 – 3
e. 2𝑥 + 3
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