
Fungsi kuadrat
Authored by Parina Parina
Mathematics
7th Grade
Used 4+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
.f(x) = 3x² - 2x + 5 memiliki bentuk sesuai dengan bentuk f(x) = ax² + bx + c.
Hitunglah nilai 2a + 3b + 4c!
30
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25
15
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Diketahui Fungsi f(x) = X2 + 5x - 6 Tentukan nilai dari F(1)
F(1) = 12 + 5(1) - 6
F(6) = 62 + 5(6) - 6
F(3) = 10
F(1) = 1 + 5 -6
3.
OPEN ENDED QUESTION
3 mins • 10 pts
Diketahui Fungsi F(x) = 5 + 6x -7x tentukan f(-2)
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4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Tentukan nilai x dari (2x-5)(4x+1) = 0.
x=1/2 dan x=4
x=4 dan x=5
x=2 dan x=6
x = 5/2 dan x -1/4
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Tentukan nilai maksimum dari fungsi kuadrat y= bx2 + 4x + (b+2) dengan sumbu simetri x = -2.
1
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4
6.
FILL IN THE BLANKS QUESTION
1 min • 10 pts
Nilai a, b dan c dari fungsi f(x)= -2x²+3 (2x+5) adalah
(a)
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
f(x) = 4x² + 3x + 8. Hitunglah nilai a + 2b + 3c!
49
34
36
30
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