Diketahui 𝑓(𝑥) = 5𝑥4 – 3𝑥3 + 2𝑥2 – 6 dan 𝑔(𝑥) = 3𝑥3 – 6𝑥2 + 12𝑥 + 4. Hasil penjumlahan 𝑓(𝑥) + 𝑔(𝑥) adalah ….

Polinomial Kelas XI

Quiz
•
Mathematics
•
11th Grade
•
Hard
Syari Arbayanti
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
5𝑥4 – 8𝑥2 + 12𝑥 + 2
5𝑥4 – 𝑥3 – 4𝑥2 + 12𝑥 – 2
𝑥3 – 4𝑥2 + 12𝑥 – 2
5𝑥4 – 4𝑥2 + 12𝑥 – 2
6𝑥4– 8𝑥2 + 12𝑥 – 2
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diberikan polinomial 𝑓(𝑥) = 4𝑥3 – 5𝑥2 + 8𝑥 – 1 dan 𝑔(𝑥) = 4𝑥3 + 2𝑥2 – 5. Koefisien variabel 𝑥 berpangkat tertinggi dari [𝑓(𝑥) – 𝑔(𝑥)] adalah ….
– 1
– 7
8
– 4
5
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika polinomial 𝑓(𝑥) berderajat 5 dan polinomial 𝑔(𝑥) berderajat 3, derajat polinomial 𝑔(𝑥) – 𝑓(𝑥) adalah ….
8
3
1
5
2
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Nilai 𝑎 yang membuat suku banyak f(x)=x3−ax2+3x+2f(x)=x3−ax2+3x+2 mempunyai nilai 𝑓(1) = 3 adalah ….
–3
0
3
–1
1
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Nilai suku banyak x3+2x−3x3+2x−3 untuk x=1 adalah ...
-2
0
2
-1
1
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Perhatikan bentuk aljabar berikut.
(i) x3−3x2−2x+5
(ii) x3−3x2+sin3x+3x3−3x2+sin3x+3
(iii) x3−3x2−x2+4x3−3x2−2x+4
(iv) x4−3x2−4x+3x4−3x2−x4+3
Bentuk aljabar yang merupakan polinomial adalah ....
(i) dan (ii)
(i) dan (iv)
(iii) dan (iv)
(i) dan (iii)
(ii) dan (iii)
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Hasil penjumlahan polinomial x3−2x+1x3−2x+1 dan polinomial x4−x3+3xx4−x3+3x adalah ….
x4+2x3+5x+1x4+2x3+5x+1
x4−x+1x4−x+1
x4+x3−5x+1
x4+2x3+x+1
x4+x+1x4+x+1
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