# How do you determine whether each equation is a linear equation: xy=6?

Jun 1, 2018

ALL linera equations can be written in the form:

$A x + B y = C$

#### Explanation:

$x y = 6$ is not linear because x is multiplied by y not added so it cannot be written in standard for above, in fact $x y = 6$ is a hyperbola:

graph{xy=6 [-20, 20, -10, 10]}