For what values of r does y=e^(rt) satisfy y''+y'-6y=0?

[parwana]

Calc Help!

For what values of r does the function y= e^(rt) satisfy the differential equation y'' + y' - 6y=0

 

[Tide]

Find the first derivative of of y(t) and its second derivative then use those values in the differential equation. The rest should be obvious!

 

[Zurtex]

Remember that e^(rt) can never equal 0.