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Question 1 of 10
1. Question
1.Tentukan fungsi kuadarat dari gambar berikut:
A. x2 + 2x + 3
B. x2 – 2x – 3
C. – x2 + 2x – 3
D. – x2 – 2x + 3
E. – x2 + 2x + 3
CorrectIncorrect -
Question 2 of 10
2. Question
2. Jika fungsi kuadrat f(x) = ax2 + bx + c melalui titik (0,0) dan mencapai minimum di titik (3, -3) maka a + b + c = ….
CorrectIncorrect -
Question 3 of 10
3. Question
3. Jika fungsi f(x) = ax2 – (a+1)x – 6 memiliki nilai maksimum pada x = -1 maka nilai a yang memenuhi adalah …
CorrectIncorrect -
Question 4 of 10
4. Question
4. Grafik fungsi paling tepat digambarkan sebagai
CorrectIncorrect -
Question 5 of 10
5. Question
5. Grafik fungsi y = ax2 + bx + c dengan a > 0, b >0, c > 0 dan b2 – 4ac berbentuk…
CorrectIncorrect -
Question 6 of 10
6. Question
6. Tentukan persamaan fungsi kuadrat dari gambar berikut ini :
A. 2x2 – 4x – 4
B. x2 – 4x – 4x2
C. 2x2 – x – 4
D. -2x2 – 4x – 4
E. 2x2 – 4x + 4
CorrectIncorrect -
Question 7 of 10
7. Question
7. Tentukan persamaan fungsi kuadrat dari gambar berikut ini :
A. -x2 – 2x + 8
B. x2 – 2x + 8x2
C. –x2 + 2x + 8
D. –x2 – 2x – 8
E. x2 + 2x + 8
CorrectIncorrect -
Question 8 of 10
8. Question
8. Fungsi kuadrat yang grafiknya melalui titik (-12, 0) dan mempunyai titik balik (-15, 3) adalah ….
A. f(x) = 3(x – 15)2 + 3
B. f(x) = -3(x – 15)2 + 3
C. f(x) = (x – 15)2 – 3
D. f(x) = – (x – 15)2 + 3
E. f(x) = (x + 15)2 + 3
CorrectIncorrect -
Question 9 of 10
9. Question
9. Tentukan persamaan fungsi kuadrat yang menyinggung sumbu x di titik (1, 0) dan melalui titik (-1, 4)adalah …
A. f(x) = x2 – 2x + 1
B. f(x) = x2 + 2x – 1
C. f(x) = -x2 + 2x – 1
D. f(x) = x2 + 2x + 1
E. f(x) = -x2 – 2x + 1
CorrectIncorrect -
Question 10 of 10
10. Question
10. Sebuah fungsi kuadrat memotong sumbu x di a (-1, 0) dan b(3, 0). Jika fungsi kuadrat itu melalui titik (4, -5), tentukanlah persamaan fungsi kudrat
A. f(x) = -x2 + 2x + 3
B. f(x) = x2 + 2x + 3
C. f(x) = x2 + 2x – 3
D. f(x) = -x2 – 2x – 3
E. f(x) = x2 – 2x + 3
CorrectIncorrect
