A community for students.
Here's the question you clicked on:
 0 viewing
Deanna15
 3 years ago
Ok Father and Dauther need help with the following x2 + 8x = 180 by completing the square. Thank in advance
Deanna15
 3 years ago
Ok Father and Dauther need help with the following x2 + 8x = 180 by completing the square. Thank in advance

This Question is Closed

Deanna15
 3 years ago
Best ResponseYou've already chosen the best response.0i have my teachers lesson in front of me and the homework answer too; which is 18, 11i don't know how they got that

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.2to complete a square we simply have to add a useful add the square of half the x coeff to each side of the equation 8/2 = 4; and 4^2 = 16

kantalope
 3 years ago
Best ResponseYou've already chosen the best response.0the thing to remember for completing the square is (b/2)^2 b over 2 squared you need to add that to each side....awww amistre beat me too it but b is the second term in the trinomial in the form a^2 + b

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.2x^2 + 8x + 16 = 180 + 16 compact the square (x+4)^2 = 180 + 16 sqrt each side x+4 = + sqrt(176) subtract the 4 x = 4 + sqrt(176)

Avva
 3 years ago
Best ResponseYou've already chosen the best response.1the answer should be 10 or 18

Avva
 3 years ago
Best ResponseYou've already chosen the best response.1you can check the answer by solving the equation on the calculator ;)

Deanna15
 3 years ago
Best ResponseYou've already chosen the best response.0but then how would u solve a similar eqaution tht =0 ?
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.