Find slope first.
Equation:
m= y2-y1/x2-x1
m= -4-0/-3-0
m= -4/-3
m=4/3
y=4/3x+b
Substitute one vertex. Example (9,0) into the equation y=mx+b
Find b.
0=4/3(9)+b
0=12+b
-12=b or b=-12
Then you add the slope and y-intercept (b) into the equation.
y=4/3x-12 <----- ANSWER
- You're welcome!
