SOLUTION: M=-9(2,4) Find a equation line

Algebra ->  Graphs -> SOLUTION: M=-9(2,4) Find a equation line       Log On


   

Question 332972: M=-9(2,4)
Find a equation line
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
M= slope = -9
point (2,4)
general equation
y= mx+b
plug value of x and y to get value of b
4=-9*2+b
4=-18+b
add 18 to both sides
4+18-18+18+b
b=22
so the equation will be y= -9x +22
..
graph%28300%2C300%2C-5%2C5%2C-5%2C5%2C-9x%2B22%29