A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 3 years ago
When 4 inches are added to each side of square, its area increases by 64 square inches. What is the area of the initial square?
anonymous
 3 years ago
When 4 inches are added to each side of square, its area increases by 64 square inches. What is the area of the initial square?

This Question is Closed

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0\[A=x ^{2}\] with x being the length of the initial sides \[A+64=(x+4)\]

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0the area of previous square was 36 sq. inches

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0(x + 4)^2 = x^2 + 64. This will be a quadratic in "x".

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0how did you get 36 so i can do the rest by myself?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0it can be done by trial and error also

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0(x + 4)^2 = x^2 + 64 will become x^2 + 8x + 16 = x^2 + 64. Just combine terms and simplify.

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0ok one thing why do you square it

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0area of square is its side squared

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0You have to get the area. Both of the first square and the second.

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0The second area is (x + 4)^2 and the first area is x^2

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0\[A _{1}=x _{1}^{2}\] \[A _{2}=x _{2}^{2}\] \[A _{2}=A _{1}+64\] \[x _{2}=x _{1}+4\] Does that help?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0ok so i did x^2 + 8x + 16 = x^2 + 64. and i got 6 what did i do wrong

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0you got \[x _{1}=6\] so what's the area? Never forget what was the initial question
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.