Shanti wrote the predicted values for a data set using the line of best fit y = 2.55x – 3.15. she computed two of the residual values. what are the values of a and b?

The question asks us to determine the values for a and b in the linear equation. Linear equation in the slope-intercept form is : y = a x + b. This equation is: y = 2.25 x - 3.15. The slope: a = 2.25 and the y-intercept is: b = -3.15. a = 2.25 and b = - 3.15.

The correct answer will be d. -4