The axis of symmetry for the function f(x) = -x^2 - 10x + 16 is x = -5. What are the coordinates of the vertex of the graph?

QUESTION POSTED AT 01/06/2020 - 02:45 PM

Answered by admin AT 01/06/2020 - 02:45 PM

The x coordinate is -5.

The y coordinate is equal to f(-5)

f(-5)=-(-5)^2-10\cdot(-5)+16=-25+50+16=41

So the vertex is (-5,41)
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