1) solove each equation.
a) x2 +4 x 5 = 0
b) x2 - 4 x - 5 = 0
c) 4x2 +20 x + 25 = 0
2) define the terms maximus and minimum of a function.
3) what does optimizatoin mean?
4) what is the formula that gives the x- coordinate of the vertex for a parabola?
5) what is the projectile motion function?
6) a farmer wishes to enclose a pasture that is bordered on one side by a river (so one of the four sided wont require fencing) . she has decided to create a rectangular shape for the area, and will use barbed wire to create the enclosure. there are 600 feet of wire available for this project, and she will use all the wire. what is the maximum area that can be enclosed by the fence? (hint: use this inforamtion to create a quadratic function for the area enclosed by the fence, then find the maximum of the function.)