Question

Can someone help me on this please.The length of a retangle is 3 yd more than twice its width, the area of the retangle is 54yrd ^2. What are the deminisions of the retangle

Answer 1

NOTE : negative value of x should be rejected

Answer 2

ok so to find the width & the length I went (12-w) w=24 12w-w^2=24 so far this is what I have. Am I in the right direction then?

Answer 3

(3+2w)*w=54

Answer 4

U should solve that

Answer 5

yeah I can get it from here. I had 36 instead of 54.

Answer 6

(3+2w)*w=54
2w^2+3w-54=0

Answer 7

2w^2+12w-9w-54=0
2w(w+6)-9(w+6)=0
(2w-9)(w+6)=0

Answer 8

Now, can u?

Answer 9

I am a little confused. Now that it is factored out, how can I get the length?

Answer 10

either 2w-9=0
w=4.5 yard
Or w+6=0
w=-6 {since length cannot be megative it is rejected}

Answer 11

negative*

Answer 12

ok. the negative threw me off. tk u for helping me on this.

Answer 13

So, width=4.5 yard
and length =(3+2*4.5)yard