Complete parts (a) through (h) for the data below.
x -2 -1 0 1 2
y -4 -1 0 1 3
(a) By hand, draw a scatter diagram treating x as the explanatory variable and y as the response variable. Choose the correct scatter diagram below.
(b) Find the equation of the line containing the points (-1, -1) and (1, 3).
$y = x + $
(Type integer or simplified fractions.)