Answer to Question #92111 in Calculus for toshinori

Question

The following 3 points are on a parabola defining the edge of a ski.
(-4,1), (-2,0.94),(0,1)
The general form for the equation of a parabola is
Ax^2+Bx+C=y

1.Use the x- and y-values of 1 of the points to build a linear equation with 3 variables: A, B, and C. Record your equation here.
2.Repeat this process with 1 of the other 2 points to build a 2nd linear equation. Record your equation here.
3.Repeat this process with the other point to build a 3rd equation. Record your equation here.
4.Build a matrix equation that represents this system of equations. Record your matrix equation here.
5.Use a graphing calculator or other graphing utility to find the inverse of the coefficient matrix. Record your result here.
6.Use the inverse matrix to solve the system of equations. Record the equation of the parabola here.

Answer 1

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