Months of growth
3
5
8
9
15
Length of hair (inches)
8
11
15.5
17
26
(3 points)
The y-intercept (0, 3.5) represents the amount of time it takes to grow 3 1/2 inches of hair.
The equation of the line would be y = 3.5 x + 3/2
The y-intercept (0, 3.5) means that at the starting time, there was 3.5 inches of hair
The slope 3/2 means that 2 inches of growth happens every 3 months.
The equation of the line would be y = 3/2 x + 3 1/2
The slope 3/2 means that hair can grow 1.5 inches every month