Need help with math pls.

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

Solve 2x2 + 8 = 0 by graphing the related function. there are two solutions: . there are no real number solutions. there are two solutions: 2 and -2