Can someone guide me through this please? I honestly don't get it...

Question

camerondoherty · Answer

Bradley has 3 square pieces of cardboard with each side equal to x units. For each piece, he does something different to it according to each part below: 

Bradley pasted rectangular strips along two adjacent sides of the cardboard to increase its length and width by y units each. What will be the change in the area of the piece of cardboard? Show your work. 

Bradley cut off rectangular strips from two adjacent sides of the cardboard to decrease its length and width by y units each. What will be the change in the area of the piece of cardboard? Show your work. 

Bradley cut off a strip from one side of the cardboard and pasted the strip on an adjacent side of the cardboard to increase its length by y units and decrease its width by y units. What will be the change in the area of the cardboard? Show your work.

bibby · Answer

There are 3 squares. squares have equal side lengths.

square 1 has it's side length change from x to x+y|dw:1414965061304:dw|