SOLUTION: Use the form y=mx +b for linear equations. Write the equation for the following relation. E = {(x, y): (2, 15), (5, 30), (8, 45), . . .}

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Use the form y=mx +b for linear equations. Write the equation for the following relation. E = {(x, y): (2, 15), (5, 30), (8, 45), . . .}      Log On


   

Question 617619: Use the form y=mx +b for linear equations.
Write the equation for the following relation.
E = {(x, y): (2, 15), (5, 30), (8, 45), . . .}
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Write the equation for the following relation.
E = {(x, y): (2, 15), (5, 30), (8, 45), . . .}
-----
Using (2,15); (5,30)
slope = (30-15)/(5-2) = 15/3 = 5
------------
Form: y = mx + b
15 = 5*2 + b
b = 5
----
Equation:
y = 5x + 5
======================
Cheers,
Stan H.
======================