SOLUTION: Which label describes the following? 9x2 – 2 = 0 A) Expression B) Linear equation C) Equation which is not linear

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Question 118029: Which label describes the following?
9x2 – 2 = 0
A) Expression
B) Linear equation
C) Equation which is not linear

Answer by jim_thompson5910(28598) About Me  (Show Source):
You can put this solution on YOUR website!
Anything that has an equal sign is an equation. So we've already eliminated A) from the list. Remember a linear equation is in the form Ax%2BBy=C. Notice how there are no exponents here. Since this expression has an exponent, the equation is nonlinear which means we can eliminate B). So the answer must be C).