Diketahui fungsi f(x) = 6x - 3 dan g(x) = 5x + 4. Nilai dari f(x) + g(x) = …

SOAL PTS tentang Persamaan Kuadrat dan Fungsi Kuadrat

Quiz
•
Mathematics
•
10th Grade
•
Hard
Hasanah Hasanah
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a. 11x + 1
b. 11x + 7
c. 11x - 1
d. x - 1
e. x + 1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui akar-akar persamaan x² + 4x - 12 = 0 adalah x1 dan x2. Tentukan hasil dari x1 + x2!
A. 21
B. 19
C. -15
D. -4
E. 4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu persamaan kuadrat memiliki akar-akar 4 dan 5. Maka persamaan kuadratnya adalah…
A. x² - 9x + 20 = 0
B. x² + 9x - 20 = 0
C. x² - x + 20 = 0
D. x² - 9x + 9 = 0
E. x² - 5x + 20 = 0
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui fungsi f(x) = 4x + 6 dan g(x) = 2x. Nilai dari f(x). g(x) = …
a. 8x² + 12x
b. 8x² + 12
c. 8x + 12x
d. 8x² - 12x
e. 8x + 12
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui fungsi f(x) = 10x - 6 dan g(x) = 5x. Nilai dari f(x) - g(x) = …
a. 5x - 6
b. 10x - 1
c. 10x - 1
d. 5x - 1
e. 5x + 1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nilai diskriminan dari 4x² - 2x + 1 = 0 adalah
A. 12
B. -15
C. -12
D. -14
E. -13
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika x1 dan x2 adalah akar dari persamaan 2x² + x - 10 = 0, nilai x1.x2 adalah…
a. 2
b. -4
c. -5
d. -10
e. 5
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