Answer: y=(2/5)x-3
Step-by-step explanation:
[tex]\displaystyle\\The\ slope=\frac{2}{5}\ \ \ \ \ (0,3) \\y=\frac{2}{5}x+b \ \ \ \ \ (1)\\[/tex]
Substitute the coordinates of the point (0,3) into equation (1):
[tex]\displaystyle\\-3=(\frac{2}{5}) (0)+b\\\\-3=b\\\\Thus,\\\\y=\frac{2}{5}x-3[/tex]
