Question

Evaluate 6+4y-x^2 for x=-5;y=6

Answer 1

just plug in the x=-5 and y=6 use calculator....
6+4(6)-(-5)^2=?

Answer 2

that is 6+24-25=?

Answer 3

did u get it? 24-25=-1... 6-1=5

Answer 4

Wouldn't it be 6 + 24 +25 though since a negative and a negative makes a positive?

Answer 5

no, that should be 6+24 - (+25)= 6+24-25=5

Answer 6

there is a hiearchy on this, first is power, then multiplication or division then add or subtract

Answer 7

Ok.Thanks.

Answer 8

wc