Respuesta :
An equation is linear if there is no exponent for an x-value.
For instance:
y = x + 2 Yes
y = x^2 No
For instance:
y = x + 2 Yes
y = x^2 No
If there is an exponent involved, the equation is not linear. y=mx+b is the slope-intercept form and as you can see, there are not exponents.