# How do you write a function rule for the number of cuts you need to make to cut a rope into x pieces?

##### 1 Answer

Feb 2, 2015

Let's make some simple observations that will clear the general rule: with no cuts, you have the whole original rope, so we have that zero cuts

If you cut the rope once, you will split it in two parts, so we have that one cut

I hope that it is clear by now that if you cut the rope

If you want to see it the other way, you have that the number of cuts is one less than the number of pieces, so if you want