SOLUTION: I realize this is a very simple question but how do you know if an equation is linear or Non-linear ? y=5x is this linear or Non-linear? and Why?

SOLUTION: I realize this is a very simple question but how do you know if an equation is linear or Non-linear ? y=5x is this linear or Non-linear? and Why?

Algebra.Com

Question 213156: I realize this is a very simple question but how do you know if an equation is linear or Non-linear ?
y=5x is this linear or Non-linear? and Why?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
It is linear unless it has an exponent in the equation.
The exponent will develope a curve of some sort.
Graph the shown equation, you will find it ti be linear.
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