Menyelesaikan Masalah Dengan Fungsi Kuadrat
Presentation
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
Tiara R.N
FREE Resource
9 Slides • 1 Question
1
Matematika Kelas 10
2
Tanpa kita sadari ada berbagai permasalahan kontekstual di sekitar kita yang berkaitan dengan fungsi kuadrat. Dengan pengetahuan-pengetahuan yang sebelumnya kita peroleh, kita dapat menyelesaikan permasalahan tersebut.
Berikut ini contoh permasalahan dan penyelesaannnya menggunakan konsep fungsi kuadrat
3
Penyelesaian
Diketahui sebuah persegi panjang memiliki keliling 64 cm. Agar luas persegi panjang tersebut maksimum maka tentukanlah panjang dan lebarnya!
Contoh
4
Bagaimana Luas Persegi Panjang?
5
Bagaimana l jika luas (l) maks?
6
7
Contoh 2
8
Penyelesaian:
9
Multiple Choice
karena mencari hmax maka gunakan rumus h=−4aD dari fungsi kuadrat
h(t)=−6t2+24t
Diperoleh hmax nya adalah .....
14
24
-24
-14
10
Matematika Kelas 10
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