How do you do y=9x+200 Please

So it is in slope intercept form already (y=mx+b)
where m=slope and b=y intercept

so the y intercept is 200 and the x intercept is when y=0 so set y to zero and get
0=9x+200
-200=9x
-200/9=x
x intercept is -200/9

so just plot the points by inputing values for x and getting y values, then graph

so in (x,y) format
(0,200)
(1,209)
(3,229)
(-1,191)
(-2,182)
(-3,173)

and so on

Socrat use det app ok