
Uji Pemahaman Fungsi Kuadrat
Authored by EMI WIJAYANTI
Mathematics
1st Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa bentuk umum dari fungsi kuadrat?
x^2 + bx + c
ax^2 - bx + c
ax^2 + bx + c
a + b + c
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tentukan akar-akar dari fungsi kuadrat f(x) = x² - 5x + 6.
x1 = 5, x2 = 0
x1 = 3, x2 = 2
x1 = 2, x2 = 2
x1 = 4, x2 = 1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa nilai puncak dari fungsi kuadrat f(x) = 2x² + 4x - 6?
-8
-4
-10
-6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gambarkan grafik dari fungsi kuadrat f(x) = -x² + 2x + 3.
The y-intercept is at (0, 4).
The graph is an upward-opening parabola with vertex at (1, 2).
The graph of the function f(x) = -x² + 2x + 3 is a downward-opening parabola with vertex at (1, 4), x-intercepts at (-1, 0) and (3, 0), and a y-intercept at (0, 3).
The x-intercepts are at (0, 0) and (2, 0).
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika f(x) = ax² + bx + c, apa yang terjadi jika a > 0?
Grafik parabola terbuka ke atas.
Grafik parabola tidak terdefinisi.
Grafik parabola berbentuk garis lurus.
Grafik parabola terbuka ke bawah.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hitung nilai maksimum dari fungsi kuadrat f(x) = -3x² + 12x - 5.
7
5
3
10
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa hubungan antara diskriminan dan jumlah akar fungsi kuadrat?
Diskriminan hanya menentukan jenis fungsi kuadrat.
Diskriminan menentukan jumlah akar fungsi kuadrat.
Diskriminan tidak berpengaruh pada akar fungsi kuadrat.
Jumlah akar fungsi kuadrat selalu dua.
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