Question

X y

1 12

5 40

10 50

15 170

20 280

25 410


What is the curve of best fit for the data shown?

A) y = 16x2 - 51x + 9

B) y = 0.2x2 + x + 23

C) y = 10x2 - 0.5x + 8

D) y = 0.6x2 - 0.02x + 11

Answer 1

My graphing calculator chooses coefficients that best match those of selection ...

... D) y = 0.6x² - 0.02x + 11