Question 48943
graph the parabola: what is a parabola? 
y=5/4 x^2
X.......0..............-1............1..............-2...............2
Y.......0..............5/4...........5/4.............5...............5
PARABOLA IS A CURVE SHAPED LIKE A SPREAD U...IT IS SYMMETRIC ABOUT A LINE CALLED ITS AXIS.HERE IT IS Y AXIS.IT HAS A VERTEX WHICH COULD BE A TROUGH OR CREST.HERE IT IS A TROUGH OR LOW  POINT.IT IS AT ORIGIN.
{{{ graph( 600, 600, -10, 10, -10, 100, 5*x^2/4) }}}