Question

When x3+3x2-2x+7 is divided by x+1, the remainder is :

7
8
9
11
13

Answer 1

runthe synthetic division

Answer 2

Aye, good plan. I was trying to get something to work... but it seems it isn't possible on this site.

Answer 3

x^3 +3x^2 -2x +7
0 -1 -2 etc...
--------------------
-1 ) 1 2 -4

Answer 4

my prof taught me that just plug -1 into the equation, the result is the remainder of the problem. I got 11

Answer 5

whats the remainder when its divided by x-57 then :)

Answer 6

the same, put x = 57 and calculate the result

Answer 7

if its a calculator setup .... thats fine too, but if by hand id rather stick with adding and multiplying

Answer 8

but it's the fastest way to figure out the remainder, right?

Answer 9

depends on what yo have to work with at your disposal

Answer 10

ok, got what you mean.