Polynomials, Rational Expressions, Equations and functions #15

label Algebra
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schedule 1 Day
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Determine whether the given quadratic function has a minimum value or maximum value. Then find the coordinates of the minimum or maximum point.


 f(x) = -3x2 + 6x


Mar 17th, 2015

x value of the vertex is given by -b/2a

= -6/2(-3) = -6/-6 = 1

y = f(1) = -3(1)^2 + 6(1) = 3

The function is an inverted parabola, so

it has a MAXIMUM at (1, 3)

Mar 17th, 2015

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