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16-12-2019
Mathematics

contestada

What is the vertex of the function y =2x^2-5x*12

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17-12-2019

Answer:

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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