A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 one year ago
Solve the system by the method of your choice. Identify systems with no solution and systems with infinitely many solutions, using set notation to express their solution sets.
4x  3y = 6
12x + 9y = 24
anonymous
 one year ago
Solve the system by the method of your choice. Identify systems with no solution and systems with infinitely many solutions, using set notation to express their solution sets. 4x  3y = 6 12x + 9y = 24

This Question is Closed

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0how do i solve this one

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0is it like the last one we did

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.2It says you can use any method. Do you have a preference?

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.2No, it is not a partial fraction decomp.

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.2I like the addition method. Let's use that.

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.2So, we need to make the equations so one variable cancels.

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.2When we add them

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.2dw:1439920308781:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so do we cancel out the y or xes first

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.2Either is fine. What do we need to do to cancel the x's?

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.2Ok, if we just add them together directly we get:

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.2dw:1439920522907:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0haha i just got that

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0like the same time you diid but you posted it first

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.2Ok, but that doesn't cancel out either variable.

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.2So, we need to multiply up the equations so that when we add them, one of the variables cancels.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok so how do we do that

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.2dw:1439920656644:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok i still dont fully comprhend what you did there

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.2I took the first equation and multiplied it by 4 so that the coefficients of the x terms are equal but opposite signs.

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.2No, we need to add the equations together now.dw:1439921457921:dw

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.2Both variables end up canceling out. And what is left over is not a true statement since 0 does not in fact equal 6

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.2When that happens, the equations have no solution.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0well umm my answer dont have that as a thing to choose

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.2D is the notation for no solution

JoannaBlackwelder
 one year ago
Best ResponseYou've already chosen the best response.2No worries :)
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.