Extreme Values

Geometry Level pending

The parabola y = − 2 ( x − 1 ) 2 y = -2(x-1)^2 has a highest point, called the vertex. Find the coordinates of this point without using a graph.

( − 1 , 4 ) (-1,4) ( 0 , 0 ) (0,0) ( 1 , 0 ) (1,0) ( 2 , 10 ) (2,10)

Pranit Munjal by Pranit Munjal , 16, United Kingdom

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1 solution

X X
Jul 13, 2018

The maximum of y = − 2 ( x − 1 ) 2 y=-2(x-1)^2 happens when x = 1 x=1

1 Helpful 0 Interesting 0 Brilliant 0 Confused

All of the options are wrong lol, the vertex is at (1,0)

Denis Kartachov - 2 years, 11 months ago

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Yeah,that's right.That's why I only said x=1 in the solution.

X X - 2 years, 11 months ago

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