An equation is called a linear equation if the power of its variables is ____
1
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3
0
An equation is called a linear equation if the power of its variables is one.
Why is a first degree polynomial in two variables ax + by + c = 0, called a linear equation?
If x =3, y = 2 is a solution of a linear equation in two variables, we write the solution as (3,2). What is this notation called?