Question 864769
(1,425); ( 2,356) ;  (3,293)

ax^2+bx+c=y
a*1^2+b+c=425,
a*2^2+2b+c=356,
a*3^2+3b+c=293
a = 3,   b = -78,   c = 500
0=3x^2-78x+500
3/7 (x-13)^2 = 1
She crashed at x = 11.472
min{y = 3 x^2-78x+500} = -7 at x = 13