A system of linear inequalities can have solutions in exactly three of the quadrants
2 answers:
Answer with explanation:
Consider the Inequality
x - y >0
⇒x > y
or, x -y < 0
⇒ x < y
It has solution in all the three regions.
Plotting the Inequality in x y plane and showing that the solution lies in three of the Quadrants
So, Yes , a system of linear inequalities can have solutions in exactly three of the quadrants.
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(a)
we are given
the price of apple suddenly up by $0.75
Let's assume original price be 'p'
we are given
Sam bought 3 pounds of apple at the new price total is $5.88
so, new price = old price +0.75
price of 3 apples
we are given that price is 5.88
so, we get equation as
.......Answer
(b)
Since, original price is p
so, we have to solve for p
so, original price is $1.21 per pound........Answer
This is my method of doing it, hope it helps.
