SOLUTION: i need to know, by looking at this equation 3x-7y=-10, how do you know that this is a liner equation?

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Question 295082: i need to know, by looking at this equation 3x-7y=-10, how do you know that this is a liner equation?
Found 3 solutions by richwmiller, Alan3354, rfer:
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
"linear" is the word. It means relating to a line.
Linear equations have one or two variables and neither of them has a power greater than one.
The standard version is ax+by=c
a or b could be zero.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Both x and y have an exponent of one. --> linear

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
It is linear because there are no exponents in the equation.
For example 3x^2 would curve.