The first step in solving the quadratic equation -5x2 + 8 = 133 is to subtract 8 from both sides of the equation.
For better understanding Let us solve this quadratic equation
The first step is to subtract 8 from both sides to isolate the variable.
-5x2 + 8 - 8 = 133 - 8
-5x2 = 125
x2 = 125/-5
x2 = - 25
x2 = - 25 = (5i)2
x = ± 5i
Therefore, from the above, we can say that The first step in solving the quadratic equation -5x2 + 8 = 133 is to subtract 8 from both sides of the equation.
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your mum
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It's plates and cutlery. Think about it.
(A) The supply function generally is considered to have positive slope. Qa has positive slope. Qb has negative slope, so is probably the demand function.
supply function: Qa
demand function: Qb
(B) The equilibrium price is the price that makes supply equal to demand.
Qa = Qb
50 +p = 200 -4p
5p = 150
p = 30
The equilibrium price is 30.
(C) The price elasticity of supply is computed as
Es = (dQa/dp)·(P/Qa) = 1·p/(50+p)
Es = p/(50+p)
At p=30, the numerical value is Es = 30/80 = 3/8. Qualitatively, the supply is inelastic.