Question

Medal!


What is the quadratic regression equation for the points: (2, 5), (4, 11), (5, 41), and (9, -2)?
A. y = 2.40x^2 + 26.06x + 40.82
B. y = -2.40x^2 + 26.06x + 40.83
C. y = -2.40x^2 − 26.06x − 40.84
D. y = -2.40x^2 + 26.06x − 40.82

Answer 1

I got D, is that correct? @Luigi0210

Answer 2

@Directrix

Answer 3

Let me think.

Answer 4

There is an online quadratic regression calculator at this link:

http://www.had2know.com/academics/quadratic-regression-calculator.html

Answer 5

yep thats the one I used

Answer 6

Oh, I see you got D.

Answer 7

yep so D is correct!

Answer 8

That is good news.

Answer 9

:)

Answer 10

i think it came back up a couple hours ago