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Callum Cuevas
Mathematics
3 June, 08:38
What is the vertex of the function y = 2x^2-5x*12
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Isla Summers
3 June, 08:42
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Step-by-step explanation:
y = 2x^2-5x + 12
a = 2, b = - 5
Vertex of X-coordinate = - b/2a
= - (-5) / 2 (2)
= 5/4
Vertex of Y-coordinate = f (5/4)
= 2 (5/4) ^2 - 5 (5/4) + 12
= 2 (25/16) - 25/4 + 12
= 25/8 - 25/4 + 12
= (25 - 50 + 96) / 8
= 71/8
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