SOLUTION: What similarities and differences do you see between functions and linear equations? Are all linear equations functions? Is there an instance when a linear equation is not a fu

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Question 175956: What similarities and differences do you see between functions and linear equations?
Are all linear equations functions?
Is there an instance when a linear equation is not a function? Support your answer.
Create an equation of a nonlinear function and provide two inputs for your classmates to evaluate.
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
remember the definition of a function is for every value of x there is one and only one value of y.
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therefore all lines are functions with the exception of one kind. vertical lines, which by definition, have infinite values of y for 1 value of x.
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eg: x=4 points (4,2),(4,0),(4,-6)...