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:

Part A: 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?

Part B: 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?

Question

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: 

Part A: 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?

Part B: 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?

elise_a18 · Answer

Part C: 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?

sdfgsdfgs · Answer

Part A:

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So the original area is x^2, what is the new area with the two strips added?

elise_a18 · Answer

x^4?

sdfgsdfgs · Answer

Nope. The new shape is a square with sides = ? Look at the drawing above n let me know what u think it should me