How do you find the derivative of #-x#? Calculus Basic Differentiation Rules Power Rule 1 Answer MoominDave Jun 6, 2018 The derivative of #ax# is #a#. Here, #a=-1#, so the derivative w.r.t. #x# is -1. Explanation: The derivative of #ax# is #a#. Here, #a=-1#, so the derivative w.r.t. #x# is -1. Answer link Related questions How do you find the derivative of a polynomial? How do you find the derivative of #y =1/sqrt(x)#? How do you find the derivative of #y =4/sqrt(x)#? How do you find the derivative of #y =sqrt(2x)#? How do you find the derivative of #y =sqrt(3x)#? How do you find the derivative of #y =sqrt(x)#? How do you find the derivative of #y =sqrt(x)# using the definition of derivative? How do you find the derivative of #y =sqrt(3x+1)#? How do you find the derivative of #y =sqrt(9-x)#? How do you find the derivative of #y =sqrt(x-1)#? See all questions in Power Rule Impact of this question 1287 views around the world You can reuse this answer Creative Commons License