Answer: No, you line up the numbers by the decimal making 10.03 larger than 1.904
6.2% of 457.88....turn percent to decimal....." of " means multiply
0.062(457.88) = 28.39 will be deducted
When the vertex is at the origin and the directrix is at y = -2.5, the the parabola must be facing upwards and have a general formula of y = 4a x^2. In this case, a is equal to 2.5 that is, y = 4*2.5 x^2 equal to y = 10 x^2