SOLUTION: The demand and supply equations for a certain item are given by D = �5p + 40 S = �p^2 + 30p � 8 Find the equilibrium price

Question 103667: The demand and supply equations for a certain item are given by
D = �5p + 40 S = �p^2 + 30p � 8
Find the equilibrium price
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The demand and supply equations for a certain item are given by
D = �5p + 40 S = �p^2 + 30p � 8
Find the equilibrium price
-----------------------
-p^2+30p-8 = -5p+40
p^2-35p+48=0
p = [35 +- sqrt(35^2-4*48)]/2
p = [35 +- sqrt(1033)]/2
p = [35 +- 32.14]/2
p = 33.57 or p = 1.43
==========================
Cheers,
Stan H.
RELATED QUESTIONS
The demand and supply equations for a certain item are given by D=-5p+40 S=-p^2+30p-8 (answered by stanbon)

The demand and supply equations for a certain item are given by D = -5p + 40 S =... (answered by Nate)

The demand and supply equations for a certain item are given by: D=-5p+40 S=-p^2+30p-8 (answered by Nate)

Please help! The demand and supply equations for a certain item are given by: D= -5p... (answered by stanbon,scott8148)

The demand and supply equations for a certain item are given by D=-5p+40 S=-p^2+30p-8... (answered by rapaljer)

The demand and supply equations for a certain item are given by D=-5p+40 S=-p^2+30p-8 (answered by stanbon)

The demand and supply equations for a certain item are given by D = �5p + 40 S... (answered by elima)

The demand and supply equations for a certain item are given by D = �5p + 40 S... (answered by ankor@dixie-net.com)

The demand and supply equations for a certain item are given by D = �5p + 40 S... (answered by checkley71)