The powers (exponents) of each variable in the equation is 1.
For example 5x + 6y = 9 is a line in 2-dimensional space,
2x + 3y +4z = 7 is a line in 3-d space, etc.
They are not. A vertical line is not a function so all linear equations are not functions. And all functions are not linear equations.
Linear equations are a small minority of functions.
Most functions are not like linear equations.
There are linear functions and there are quadratic functions but I am not aware of a linear quadratic function. It probably comes from the people who worked on the circular square.
y = 0 and y = 1 are two linear functions. They're not especially interesting ones.
All linear equations are functions but not all functions are linear equations.
They are not. A vertical line is not a function so all linear equations are not functions. And all functions are not linear equations.
Linear equations are always functions.
Linear equations are a small minority of functions.
Most functions are not like linear equations.
A linear equation is a special type of function. The majority of functions are not linear.
There are linear functions and there are quadratic functions but I am not aware of a linear quadratic function. It probably comes from the people who worked on the circular square.
identity linear and nonlinear functions from graph
Linear equations are a tiny subset of functions. Linear equations are simple, continuous functions.
Functions that do not result in a line when graphed.
y = 0 and y = 1 are two linear functions. They're not especially interesting ones.
A linear function is of the form y = ax + b