Answer:
y=30x+1
Step-by-step explanation:
m= slope of line
slope=y2-y1/x2-x1
Take any two points
1200-300/40-10
900/30
30
Take any point and put y and x coordinates to find value of b
y=mx+b
1200=30x40+b
1200=1200+b
1200/1200=b
b=1
y=30x+1 (equation of line)
