What is the quadratic regression equation that fits these data? х
Y
-4
40
-3
28
-2
10
-1
8
0
7
1
10
N
16
3
26
4
40
O A. y= 2.13x2 + 0.13x + 6.39
B. y= 1.64x2 + 1.24x + 8.08
O c. y= 0.82x2 + 0.78x + 7.23
D. y = 16.76.1.02%

Zroms according to the synthetic division below, which of the following statements are true? check all that apply. 352 -2 6 -12 12 2 4 0 i a. (x-3) is a factor of 2x2 - 2x - 12. b. the number 3 is a root of f(x) = 2x2 - 2x - 12. c. (2x2 - 2x - 12) = (x + 3) = (2x + 4) d. (2x2 - 2x-12) - (x-3) = (2x + 4) e. (x+3) is a factor of 2x2 - 2x - 12. o f. the number -3 is a root of fx) = 2x2 - 2x - 12. previous

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree