Is this turning point a maximum or minimum? 10 points to first full answer!?

Is this turning point a maximum or minimum? 10 points to first full answer!

?

The curve's equation: y= x^2 - 4x + 1

I calculated dy/dx to be 2x - 4

then calculated that the coordinates of the turning point is (2,-3)

Is this turning point a maximum or minimum and how do you figure it out?

Please reply A.S.A.P.

Unless the teacher has family that was involved in the Holocaust, it probably isn't that particularly sensitive.

There are only 5 states that require the Holocaust to be taught.

There's a whole lot of information about this question, and I'm not sure how best to summarize it, so here's my source:

I think it'll answer your question.Unless the teacher has family that was involved in the Holocaust, it probably isn't that particularly sensitive.

There are only 5 states that require the Holocaust to be taught.

There's a whole lot of information about this question, and I'm not sure how best to summarize it, so here's my source:

I think it'll answer your question.

Other than

I think it'll answer your question.derivatives you can see this is a quadratic equation

I think it'll answer your question.

to find the vertex you use the formula x = -b/2a

then you plug that x into find the y coordinate...

Now you can see that if the a, or the coefficient before the x^2 is positive or greater than 0

the maximum will be infinity and there will only be a minimum..So in this case that coordinate is the minimum.

from:http://www.ourqa.net/science_mathematics/0608/Is_this_turning_point_a_maximum_or_minimum__10_points_to_first_full_answer___77377.html

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