Persiapan Kuis Matematika [Persamaan Kuadrat]
Quiz
•
Mathematics, Other
•
9th Grade
•
Practice Problem
•
Hard
Noviensia Izaac
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui persamaan-persamaan berikut:
(1) x + 5 = -3x + 10
(2) x2 + 2x - 4 = x2 + 1
(3) 2x[x +3] = 15
Di antara persamaan-persamaan di atas, yang bukan persamaan kuadrat adalah ...
hanya (1)
hanya (2)
hanya (3)
(1) dan (2)
(1), (2) dan (3)
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
6x2 - 4x(2x - 4) = 12 merupakan jenis persamaan ...
LINEAR DUA VARIABEL
KUADRAT
LINEAR SATU VARIABEL
LINEAR TIGA VARIABEL
POLINOMIAL
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Tentukan nilai a, b dan c dari persamaan kuadrat berikut:
36 - 12y + y2 = 0
a = 36 ; b = 12 ; c = 1
a = 36 ; b = -12 ; c = 1
a = -1 ; b = -12 ; c = 36
a = 1 ; b = 12 ; c = -36
a = 1 ; b = -12 ; c = 36
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Tentukan nilai a, b dan c dari persamaan berikut:
4x + 3x(x - 5) + 21 = x2 + 7
HINT: Ubah Persamaan di atas ke Bentuk Umum Persamaan Kuadrat.
a = 3 ; b = -11 ; c = 21
a = 1 ; b = 0 ; c = 7
a = 3 ; b = 11 ; c = 21
a = 2 ; b = 11 ; c = 14
a = 2 ; b = -11 ; c = 14
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dengan menggunakan "pemfaktoran", carilah akar-akar persamaan kuadrat dari persamaan berikut:
x2 + 6x = 16
x1 = 6 atau x2 = 16
x1 = -2 atau x2 = 8
x1 = 6 atau x2 = -16
x1 = -2 atau x2 = -8
x1 = 2 atau x2 = -8
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dengan menggunakan "pemfaktoran", carilah akar-akar persamaan kuadrat berikut:
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dengan melengkapkan kuadrat sempurna, persamaan dapat dinyatakan menjadi ...
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