
Penerapan Maksimum dan Minimum
Authored by AMIR HASAN
Mathematics
12th Grade
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Keliling suatu persegi panjang adalah 400 meter. Tentukan ukuran persegi panjang itu agar luasnya maksimum. Misal panjang = x , dan lebar = y . maka keliling persegipanjang tersebut adalah ..
2x + y = 400
x + 2y = 400
x + y = 400
2x + 2y = 400
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
2x + 2y = 400 dapat disederhanakan menjadi ....
y = 2x - 400
y = 400 - 2x
y = x - 200
y = 200 - x
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Dengan mensbustitusikan y = 200 - x ke persamaan Luas persegi panjang L(x) = x . y menjadi ...
L(x) = 200 - x2
L(x) = 200x - x2
L(x) = 200x + x2
L(x) = 200 + x2
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Nilai x yang memenuhi 200 - 2x = 0 adalah ....
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Turunan pertama dari L(x) = 200x - x2 adalah L'(x) = ...
200 - 2x
200x - 2x
200 - 2x2
100 - 2x
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Keliling suatu persegi panjang adalah 400 meter. Tentukan ukuran persegi panjang itu agar luasnya maksimum.
panjang = 200
lebar = 200
panjang = 100
lebar = 100
panjang = 50
lebar = 150
panjang = 100
lebar = 300
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Untuk memproduksi x unit pakaian dalam satu hari , diperlukan biaya produksi ( x2 + 4x + 10 ) ratusan ribu rupiah. Harga jual per unit pakaian itu adalah ( 20 - x ) ratusan ribu rupiah. Fungsi keuntungan dari pernyatan tersebut adalah ...
Untung = biaya produksi - harga jual
Untung = Harga jual - biaya produksi
Untung = Biaya produksi + Harga jual
Untung = Biaya produksi x harga jual
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