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secondary 2 | Maths
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Becky
Becky

secondary 2 chevron_right Maths chevron_right Singapore

(a) Using the general form of quadratic function, y =ax^2+bx+c and the given coordinates, write down three equations in order to solve for a, b and c and show that the equation of graph representing the Singapore Sports Hub is y=-33/9610x^2+33/31x

Date Posted: 4 years ago
Views: 195
J
J
4 years ago
when x = 0, y = 0
when x = 310, y also = 0
when x = 155, y = 82.5


Substitute each pair into the equation ax² + bx + c = 0.

You will get 3 simultaneous equations to solve for a , b and c.

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Eric Nicholas K
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Becky
Becky
4 years ago
Clear and Correct!!! Thanks a lot!!!