SOLUTION: write this in function form: 3x+4y=0

Question 126983This question is from textbook Pre-Algebra
: write this in function form: 3x+4y=0 This question is from textbook Pre-Algebra

Found 2 solutions by MathLover1, edjones:
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
Write, in function form:

First, you need to identify which of the two variables is the "" variable. Usually, x is the independent variable, so we'll first write the equation in terms of , which means that we'll need to solve for .
��. add to both sides

��..Divide both sides by

Now, to write this in , we replace the with , which is read as of or function of . When an equation is written in form, it is easy to identify the variable.
That's the variable inside the parentheses of the or .

Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
f(x)=y
3x+4y=0
3x-3x+4y=-3x
4y=-3x
4y/4=-3x/4
y=-3x/4=-.75x
f(x)=-.75x
.
Ed
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