What is the equation of the quadratic function represented by this table? X: -3, -2, -1, 0, 1
Y: 3.75, 4, 3.75, 3, 1.75
y =_ (x −_ )^2 +_

2 x^2 -3x+p

sum of roots = 3/2

let other root be x

3+ x = 3/2

x= 3/2 - 3 = -3/2

product of roots = p/2

3× -3/2 = p/2

-9 = p

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1/4 because there is 4 grades.