26. Find the linear regression model for this data. 10 points.

x	y
0	95
10	166
15	145
20	188
35	310
50	320

1. Linear Model =
2. R²=

27. Find the quadratic regression model for this data. 20 points

x	y
10	5449
20	4089
30	2929
40	1969
50	1209
60	649
100	409
120	1489

1. Linear Model =

1. R²=

1. What is the vertex for this quadratic?

1. Does the vertex represent a min or a max?

28. Solve -4.5x² - 13.4x + 17.2 = 0 via the quadratic formula.Report D. 10 points

29. What do answers from #28 represent on the graph of the function? 5 points

30. What do you do if the D is negative? 5 points.

31. What is the domain of any polynomial? 3 points.

32. Draw a quadratic function that has no Real zeros. 5 points

33. Solve x(x-5) = -6 5 points

34. Solve and graph -3x + 8 > 5 5 points

35. T/F The x value of the vertex is the same where the line of symmetry bisects a quadratic function that opens up or down. 5 points.