SOLUTION: Write an equation for the linear function f(x) that satisfies the condition f(2) = 8 and f(1) = 12. I can't remember how to do this.

Question 895677: Write an equation for the linear function f(x) that satisfies the condition f(2) = 8 and f(1) = 12.
I can't remember how to do this.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
The general form of a linear equation is
Substitute with the points you know.

2.
Now solve for and
Subtract eq. 2 from eq. 1

Then use either equation to solve for

.
.
.

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