In most situations, the answer that is looked for is linear.
However, since y=mx+b does not follow superposition, it is in fact, nonlinear.
Proof:
y1=mx1+b
y2=mx2+b
x3=Ax1+Bx2
y3=m(Ax1+Bx2)+b=mAx1+mAx2+b
this does not equal Ay1+By2, making it nonlinear
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It is a non-linear equation in x and y. The equation cannot be solved without further information.
Yes, because non-linear equations involve x2.
It is a linear equation. The highest power of x in the equation is 1 (3x1-4=12) so its "degree" is 1, and equations of "degree 1" are called linear equations.
A linear equation is an equation that in math. It is a line. Liner equations have no X2. An example of a linear equation is x-2 A linear equation also equals y=mx+b. It has a slope and a y-intercept. A non-linear equation is also an equation in math. It can have and x2 and it is not a line. An example is y=x2+3x+4 Non linear equations can be quadratics, absolute value or expodentail equations.
You cannot solve one linear equation in two unknown variables (x and y), although some non-linear equations will suffice. You need two independent linear equations. All you can do is express one of the variables in terms of the other, but that is not solving the equation.