Question

Suppose D =150 - 50P. Then, the slope is

Answer 1

Answer:

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Explanation:

slope of curve dy/dx=-50

slope of demand curve ∆d/∆p

we know that dy/dx=∆d/∆p

Answer 2

Suppose D =150 - 50P.Then, the slope is

answer=-50

• slope of any line is change in variable on y axis divided by change in variable on x axis.  

• In demand curve we take prices on y axis and quantity on x axis.
• so slope of this demand curve would be change in prices divided by change in quantity. i.e dP/dD = -50.