Question

equation in slope intercept form for the line that satisfies the following condition slope passes through (9,21)

Answer 1

* i meant write an equation sorry

Answer 2

y=mx+b; a coordinate has (x,y) therefore your x=9 and y=21 plug in--> 21=m(9) +b

Answer 3

its seems incomplete so I would wait for other answers.

Answer 4

would y=6x+21 work

Answer 5

where did you get the slope and intercept? since you didnt mention them before?