Question

If c is a negative integer, for which of the following values of d is (c-d) greatest?
a.) -10
b.) -4
c.) 0
d.) 4
e.) 10

Answer 1

let us try with trial and error....

let c=-2 say, then c-d for

d=-10 will be 8

d=-4 will be 2

d=0 will be -2

d=4 will be -2

and d=10 will be -8

hence for d=-10 we have greatest number!!!!!!!! this holds true for every number....