Thursday, November 4, 2010

Walter's Post

Graphing Parabola
Direction of the parabola
Ax(square)+Bx+C
A-determines the direction
-A is an upside down U
+A is a rightside up U
y intercept is always C
Vertex of the parabola------>substitute -B/2A into the equation
Axis of symmetry x=-B/2A
zeroes of the equation is where you cross the x-axis
Homework: pg. 306 Problem #1

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