Question

Medal&Fan
Alfred and Ashley are changing their rectangular storage closet into a game room. They decide to add 2x feet to the length and width of the storage closet. Which equation will show the new area of the storage closet if it was initially 8 feet by 5 feet?
4x2 + 13x + 13 square feet
4x2 + 13 square feet
4x2 + 40 square feet
4x2 + 26x + 40 square feet

Answer 1

if the length was 8 feet, and we add 2x feet

what would the new length be ?

Answer 2

16x^2

Answer 3

?idk i think

Answer 4

8 add 2x to it, it will be 8+2x

what about the width ?

Answer 5

5+2x

Answer 6

soo its C?

Answer 7

the area of a rectangle is lenght times width

area = (8+2x)(5+2x)

can you expand this ?

Answer 8

8*5=40 2X*2X = 4X^2 so 4x^2+40

Answer 9

shoot C isnt right

Answer 10

its D

Answer 11

(8+2x)(5+2x) = 8(5) + 8(2x) + 2x(5) + 2x(2x)
= 40 + 16x + 10x + 4x2
= 4x2 + 26x +40

so yeah it's D

Answer 12

Thanks man.(: