Which od the following quadratic regression equations bedt fits the data shown below? x -4 y 56, x-3 y 30, x-2 y 15, x -1 y 3, x 0 y 4,x 1 y 8, x 2 y20, x3 y 44, x4 y 60

the forst and 3rd

step-by-step explanation:

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,