SOLUTION: Problem : write a linear equation that represents the data in the table X__Y 0 | -2 1 | 3 2 | 8 This is my 1st question. I've tried 2 times , and other similar problem

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons  -> Linear Equations Lesson -> SOLUTION: Problem : write a linear equation that represents the data in the table X__Y 0 | -2 1 | 3 2 | 8 This is my 1st question. I've tried 2 times , and other similar problem      Log On


   

Question 533965: Problem : write a linear equation that represents the data in the table
X__Y
0 | -2
1 | 3
2 | 8
This is my 1st question. I've tried 2 times , and other similar problems
Like this. How do I figure this out?
Thanks In advanced
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
when x goes up by 1, y goes up by 5 ___ so ___ y = 5x + ?

the ? is a "fudge factor" (or an "offset", or the y-intercept in the slope-intercept form of the equation)

to find ?, just plug in a point ___ (3) = 5(1) + ? ___ -2 = ?

so the linear equation for the data is ___ y = 5x - 2