1) Which sum best represents the model shown below?

There are 3 blue blocks, and each of them separately equal x^2.
There are 2 green blocks that each separately equal x.
There are 2 red blocks that each separately equal -1.
And there is 1 yellow block that equals 1.

A) 3x^2+2x-1
B) 3x^2+2x-3
C) x^6+x^2-1
D) x^6+2x-1

Please help, I am confused on how to solve this.

3 answers

My answer is A. Is that correct?
no
srry yes