Nilai a, b, dan c dari persamaan kuadrat 7 – 4x – x2 = 0 adalah ....
SOAL LATIHAN ASTS SEMESTER GENAP KELAS X

Quiz
•
Mathematics
•
10th Grade
•
Medium
Nurani Nurani
Used 5+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
a = –1, b = –4, dan c = 7
a = –1, b = –4, dan c = –7
a = 1, b = –4, dan c = 7
a = –7, b = 4, dan c = 1
a = 7, b = –4, dan c = 7
2.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Akar-akar dari persamaan kuadrat x2 – 5x – 14 = 0 adalah ....
–7 dan –2
–7 dan 2
7 dan –2
7 dan 2
–2 dan 8
3.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Akar-akar dari persamaan kuadrat x2 + 5x – 500 = 0 adalah ....
x1 = –20 dan x2 = –25
x1 = –20 dan x2 = 25
x1 = 20 dan x2 = –25
x1 = 20 dan x2 = 25
x1 = 20 dan x2 = –15
4.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Akar-akar dari persamaan kuadrat 2x2 + x – 15 = 0 adalah .... adalah ....
5.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Jumlah dua bilangan adalah 20 dan hasil kalinya adalah 96. Kedua bilangan tersebut adalah ....
6 dan 16
–12 dan –8
–7 dan –18
12 dan 8
8 dan 16
6.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Tinggi h meter sebuah peluru yang ditembakkan vertikal ke atas setelah t detik dinyatakan dengan rumus h(t) = 40t – 4t2. Tinggi peluru yang dapat dicapai setelah 5 detik ditembakkan adalah ....
75 m
100 m
125 m
150 m
200 m
7.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Tinggi h meter sebuah peluru yang ditembakkan vertikal ke atas setelah t detik dinyatakan dengan rumus h(t) = 100 + 40t – 4t2. Tinggi maksimum yang dapat dicapai peluru tersebut adalah ....
800 m
400 m
340 m
200 m
160 m
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