1) Is the equation a linear function or nonlinear function?

Equation: y = 2x^3
A) Linear
B) Nonlinear
2) Is the equation a linear function or nonlinear function?
Equation: y = 0.5x - 1
A) Linear
B) Nonlinear
3) Is the equation a linear function or nonlinear function?
Equation: y = 5x + 3
A) Linear
B) Nonlinear
4) Is the equation a linear function or nonlinear function?
Equation: y = 3x^2 + 2
A) Linear
B) Nonlinear

1 answer

non-linear: any power of x greater than 1.
linear: only x terms and constants included.