Find the residual values, and use the graphing calculator tool to make a residual plot. (Table attached below)

Does the residual plot show that the line of best fit is appropriate for the data?

A) No, the points are in a curved pattern.
B) No, the points are evenly distributed about the x-axis.
C) Yes, the points are in a linear pattern.
D) Yes, the points have no pattern.

solution:

the given function is ,

      =

the three roots of this quadratic function is , 0 ,8 and 10.all the roots are real and rational.

if a quadratic equation is of the form ,

sum of the roots = a + b +c= 0+8+10=18=  

product of roots taken two at a time = a b + b c+ c a = 0+80+0=80 =  

product of roots = a b c = 0=  

there are 11 doors in a hall starting from 0 to 11.the entry in the hall is permitted through gate number 0 and exit is allowed through only gate number 8 and 10.so, three roots(0,8,10) of quadratic function is given by entry and exit route of this hall.

yes

step-by-step explanation:

they have to be opposite and reciprocal of eachother.