SOLUTION: A linear function has a slope of 7, and when x is 3 the value for y is 22. Use a graph or a table to figure out the equation of the function. Show your work.

Algebra ->  Linear-equations -> SOLUTION: A linear function has a slope of 7, and when x is 3 the value for y is 22. Use a graph or a table to figure out the equation of the function. Show your work.      Log On


   

Question 571691: A linear function has a slope of 7, and when x is 3 the value for y is 22. Use a graph or a table to figure out the equation of the function. Show your work.
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
y = 7x + b where b is the y-intercept

However we know that if x = 3, y = 22. We have

22 = 7(3) + b --> b = 1

So the function is y = 7x + 1.