If 2x+20 and 3x+20 makes a straight angke find value of x
1 answer:
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Answer:
It has a negative slope = -2
Step-by-step explanation:
Let y be the price and x be the quantity purchased . Then putting the value of x in the equation we can find the price= y
where y = −2x+8
x 0 1 2 3 4 5 6 7
y 8 6 4 2 0 -2 -4 -6
So we can plot the demand curve which has a negative slope.
We see from the values above that the slope is negative having a value equal to -2. This means that for every increase in the number of quantities there is a decrease in the price.
