Question 600961
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Hi,
equation of the parabola ax^2 + bx + c =y 
passes through the points (1,5), (2,12), and (4,44). 
Finding the EQ by solving for a,b,c
a =3, b=-2 and c=4
y = 3x^2 -2x +4 

 a + b + c = 5
4a + 2b + c = 12
16a + 4b +c = 44
*[invoke cramers_rule_3x3 1,1,1,5,4,2,1,12,16,4,1,44]