SOLUTION: determine whether or not the equation is linear: 1) 4x-7(x-9)=13x 2) 0.06^2-0.07x=0.90 linear or not linear and if so, why and if not, why thanks

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: determine whether or not the equation is linear: 1) 4x-7(x-9)=13x 2) 0.06^2-0.07x=0.90 linear or not linear and if so, why and if not, why thanks      Log On


   

Question 975686: determine whether or not the equation is linear:
1) 4x-7(x-9)=13x
2) 0.06^2-0.07x=0.90
linear or not linear and if so, why and if not, why
thanks
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Identify the degree of the variable. Exponent of 1 being the highest degree means LINEAR.