
fungsi quadrat
1st - 10th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koordinat titik balik grafik fungsi kuadrat f(x) = 2x2 - 4x + 5 adalah ...
(1,3)
(1,5)
(1,7)
(2,5)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koordinat titik puncak grafik fungsi kuadrat y= 2x2 + 2kx + k + 5 adalah (m,m). Nilai k + m = ...
-1 atau 7/2
-1 atau 5/2
1 atau -5/2
1 atau -7/2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui fungsi
f(x) = (a + 1) x2 - 2ax + (a-2) defenit negatif.
Nilai a yang memenuhi adalah ...
a< 2
a >-2
a <-1
a < -2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fungsi kuadrat yang grafiknya melalui titik (-1,3) dan titik baliknya sama dengan titik balik dari grafik f(x) = x2 + 4x +3 adalah ...
y = 4x2 + X + 3
y = x2 -3x + 1
y = 4X2 + 16x + 15
y = 4X2 + 15x + 16
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika grafik f(x) = ax2 + (2a+6)x + 2a - 2 menyinggung sumbu -X, maka koordinat titik balik maksimumnya adalah ...
(2,0)
(-2,0)
(-3,0)
(3,0)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika grafik fungsi kuadrat f(x) = x2 + x + p menyinggung garis 3x + y = 1 dengan p > 0, maka nilai p yang memenuhi adalah ...
2
3
4
5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Grafik fungsi kuadrat f(x) = x2 + bx + 4 menyinggung garis y= 3x + 4. Nilai b yang memenuhi adalah ...
3
-3
4
-4
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