SOLUTION: Given that -5<= x <=3 and -8<= y <=6 where both x and y are integers, calculate;
a) the greatest value of 2x+3y
b) the least value of 3xy
c) the greatest value of x^2+y^2
d) th
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Question 1066719: Given that -5<= x <=3 and -8<= y <=6 where both x and y are integers, calculate;
a) the greatest value of 2x+3y
b) the least value of 3xy
c) the greatest value of x^2+y^2
d) the least value of x^2-y^2
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Greatest value of a sum choose the greatest value for both variables,
24
.
.
.
Least value of a product choose the greatest of one variable and least value of the other variable, compare the products.
-90
.
.
.
Greatest value of sum of squares choose largest absolute value of both variables,
89
.
.
Least value of x^2-y^2, choose largest value of absolute value of x and smallest value of absolute value of y,
25
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