SOLUTION: 2. Which of the following equations is linear? A. y = |x| B. y = 2x C. y = x2 Why?

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Question 1001961: 2. Which of the following equations is linear?
A. y = |x|
B. y = 2x
C. y = x2
Why?

Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

A linear equation is an equation for a .
answer is B.

other options are not linear equations because their graph is not a
see the graphs:
A.

C.


the variables (like "" or "") in Linear Equations do have:
exponents (like the in )
or square roots (like , cube roots, etc



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