Which of the following is the best approximation for the quadratic function containing the points (-2, 1), (-5, 2), (7, 9), and (10, 14)?
A. y=0.08x^2+0.4x+1.8
B. y=1.08x^2+0.4x+1.8
C. y=1.08x^2−0.4x+1.8
D. y=0.08x^2−0.4x+1.8

(i cant thank you guys enough for the help)

Question

Which of the following is the best approximation for the quadratic function containing the points (-2, 1), (-5, 2), (7, 9), and (10, 14)?
	A.	y=0.08x^2+0.4x+1.8
	B.	y=1.08x^2+0.4x+1.8
	C.	y=1.08x^2−0.4x+1.8
	D.	y=0.08x^2−0.4x+1.8

(i cant thank you guys enough for the help)

anonymous · Answer

A.	y=0.08x^2+0.4x+1.8

anonymous · Answer

use quadratic regression on a graphing calculator

anonymous · Answer

http://calculator.maconstate.edu/quad_regression/

anonymous · Answer

That is an example of how to use regression on a calculator. What class are you in?

anonymous · Answer

You can download a free virtual TI-83 Plus graphing calculator here: http://www.rock.k12.nc.us/cms/lib6/NC01000985/Centricity/Domain/1695/Virtual_TI_83_graphing_calculator.zip