The height a plant grows is dependent on the amount of fertilizer given to the plant. the table below shows the amount of
fertilizer a plant gets and the height the plant grows
50
fertilizer and height of plant
fertilizer (oz) height of plant
(in.)
175
192
5 8
130
3 6
128
184
56
nina graphs the data in the table and writes the rounded values for a and b as shown below for the regression line y = ax + b