What is the quadratic equation for these three points-
(1,3) (3,5) (5,7)

The required equation is y = x + 2

Solution:

Given three points are (1,3) (3,5) (5,7)

A quadratic equation for three points is given by

Assume the point 1,3 and substitute in (1)

Let us substitute 3,5 in (1)

Let us substitute 5,7 in (1)

Subtracting 2 and 3  

Subtracting 4 and 3  

Substituting b in 5,  

Substituting a, b, c in 1 we get the quadratic equation

ca = ec

cpctc makes it so that corresponding parts of the triangle you proved to be equal are equal, the other options aren't part of the part of the triangles you proved to be equal.