Thread: Given that -5≤x≤5 and -10≤y≤-2, find

Question:
Given that -5 ≤ x ≤ 5 and -10 ≤ y ≤ -2, find
(a) the smallest possible value of ,
(b) the greatest possible value of

Is there any mathematical way to solve this?

Thanks

Originally Posted by FailInMaths

Question:
Given that -5 ≤ x ≤ 5 and -10 ≤ y ≤ -2, find
(a) the smallest possible value of ,
(b) the greatest possible value of

Is there any mathematical way to solve this?

Thanks

By inspection:

3(-5)-2(-2) = ....

(-10)^2 - (0)^2 = ....

Originally Posted by mr fantastic

By inspection:

3(-5)-2(-2) = ....

(-10)^2 - (0)^2 = ....

Thanks