SOLUTION: How do I find the vertex and the maximum or minimum value of f(x) f(x)= -2/7 (x-8)^2 + 19

SOLUTION: How do I find the vertex and the maximum or minimum value of f(x) f(x)= -2/7 (x-8)^2 + 19

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Question 703741: How do I find the vertex and the maximum or minimum value of f(x)
f(x)= -2/7 (x-8)^2 + 19
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
The factor 2/7 affects broadness horizontally but not position. The negative factor, -(2/7) means that the parabola has a maximum. (Opens down).

This parabola function is in standard form, and the vertex point,[ (h, k) ], is the point (8, 19). Compare from the model standard form f(x)=a(x-h)^2+k
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