SOAL UH PERSAMAAN & FUNGSI KUADRAT
Quiz
•
Mathematics
•
10th Grade
•
Hard
Muhammad Rusli
Used 7+ times
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11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Jika nilai diskriminan persamaan kuadrat 2x2 – 9x + c = 0 adalah 121, maka nilai nilai c adalah …
-8
-5
5
8
4
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Absis titik balik grafik fungsi y = px2 + (p - 3)x + 2 adalah p. nilai p adalah …
-3
-1
3
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Akar-akar persamaan 2x2 + 2px – q2 = 0 adalah p dan q, dengan p – q = 6. Nilai pq adalah …
6
-2
-4
-6
-8
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Persamaan kuadrat mx2 + (m-5)x – 20 = 0. Akar-akarnya saling berlawanan. Nilai m adalah …
4
5
6
8
12
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Persamaan 2x2 + qx + (q-1) = 0 mempunyai akar-akar x1 dan x2. Jika , maka nilai q adalah …
-6 & 2
-5 & 3
-6 & 3
6 & -2
5 & -3
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Persamaan kuadrat yang akar-akarnya 5 dan -2 adalah …
x2 + 7x + 10 = 0
x2 - 7x + 10 = 0
x2 + 3x + 10 = 0
x2 + 3x - 10 = 0
x2 - 3x - 10 = 0
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
persamaan grafik fungsi kuadrat pada gambar dibawah adalah …
y = x2 - 4x – 5
y = x2 – 2x – 5
y = -x2 + 2x – 5
y = - x2 + 4x – 5
y = -x2 – 4x – 5
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