This table represents a relationship between x and y, where x is the independent variable.
 x 20 40 60 80 100
 y 10 20 30 40 50
 Which equation represents the relationship between x and y?
 Responses
 y = x + 10
 y, = , x, + 10
 y=12x
 y equals one half x
 y=x−10
 y equals x minus 10
 y = 2x