A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 one year ago
Help please?? Will give medal and will fan!
The area of a rectangle is (16x2 − 9y2) square units. Determine the dimensions of the rectangle by factoring the area expression completely.
anonymous
 one year ago
Help please?? Will give medal and will fan! The area of a rectangle is (16x2 − 9y2) square units. Determine the dimensions of the rectangle by factoring the area expression completely.

This Question is Closed

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Okay so you know that in order to solve the problem you would need to factor\[16x^2  9y^2\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0What I do when I see these type of equations is to see if the numbers in front of the x and y can be square rooted.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.016 and 9 can be square rooted to 4 and 3 so let's split the equation starting with that.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[(4x \pm 3y) (4x \pm 3y)\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I put a plus and minus sign in the middle so we can determine what sign we should use.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0What is that symbol?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Just pretend that symbol is a box. We need to figure out what sign to put in the middle. That's why I put that. Don't let that sign confuse you okay?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Since the actual equation has a minus sign in the middle that means the two equations have to cancel out the middle term of that equation. The middle term, for example, can be seen in the equation below:\[ax^2 +bx +c\] The term "bx is the middle term. The question however doesn't give us a middle term because it is saying that the middle term is 0.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I'll give you 3 answer choices. Tell me which equation will cancel out the middle term for the question that was given to you\[16x^29y^2\]A.) (4x + 3y) (4x +3y) B.) (4x + 3y) (4x  3y) C.) (4x  3y) (4x  3y)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0One of these answers can cancel out the middle term. Do you know how to factor equations? That can help when finding which choice it will be.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Oh never mind you got it!

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0That is the correct answer and your final answer.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0(4x + 3y) (4x  3y) = 16x^2  9y^2
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.