Persamaan Kuadrat Quiz

Quiz
•
Mathematics
•
9th Grade
•
Medium
Adi Priyogo
Used 70+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manakah dari persamaan berikut ini yang merupakan persamaan kuadrat adalah ......
2x- x + 14 = 6
x3 + 2x - 1=0
x2 + 2x + 9 = 0
x2 - 2x - 15 = x2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui fungsi kuadrat f(x) = -3x2 + 2x + 9, nilai a, b, c adalah .....
a = -3, b= 2 c = 11
a = -3, b= - 2 c = 9
a = -3, b= 2 c = -9
a = -3, b= 2 c = 9
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah fungsi kuadrat memiliki persamaan f(x) = ax2 + bx + c dengan a ≠ 0. Jika diskriminan fungsi tersebut adalah positif, maka akar-akar dari fungsi kuadrat tersebut...
Real dan berbeda
Real dan sama
Imajiner
Imajiner dan berbeda
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika grafik fungsi kuadrat f(x) = ax2 + bx + c membentuk parabola yang terbuka ke bawah, maka nilai dari a adalah ....
Positif
Negatif
Nol
Imajiner
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika fungsi kuadrat f(x) = x2 + 4x + 3 memiliki sumbu simetri, maka nilai sumbu simetri dari fungsi tersebut adalah ....
x = 4
x = 2
x = -2
x = -4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika fungsi kuadrat f(x) = x2 + 4x + 3 memiliki nilai minimum, maka nilai minimum dari fungsi tersebut adalah ....
y = 2
y = 1
y = -1
y = -2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika fungsi kuadrat f(x) = x2 + 4x + 3 memiliki titik puncak (x,y), maka titik puncak dari fungsi tersebut adalah ....
(2,1)
(-2,1)
(-2,-1)
(2,-1)
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