Math, asked by PRI4Kmagehnosharc, 1 year ago

height of the arch following equation y=2x-0.1x^2

Answers

Answered by kvnmurty
0
y = 2 x - 0.1 x²      :  parabola
10 y = 20 x - x²
       =  - (x - 10)²  + 100

OR,      (x - 10)² = - 10 (y - 10) 

The parabola has axis : x - 10 = 0,  x = 10.
        Vertex = (10, 10).
          y has to be less than 10.

The arch is symmetrical about x = 10  and has a height of 10.
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