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