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mariomintchev
 2 years ago
5x+5y=1
25x+ky=4
solve for k
mariomintchev
 2 years ago
5x+5y=1 25x+ky=4 solve for k

This Question is Closed

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1there is few ways of working this out. Elimination, Substitution and maybe multiplication

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1which way do you prefer?

mariomintchev
 2 years ago
Best ResponseYou've already chosen the best response.1i need my mind refreshed. whichever method works best is the method i choose.

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1ill use substitution then :P x = \[x = y  \frac{ 1 }{ 5 }\] 25x + ky = 4

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.125(y  \[25(y  \frac{ 1 }{ 5 }) + ky = 4\]

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1\[25y  5 + ky = 4\]

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1do you get it now?

mariomintchev
 2 years ago
Best ResponseYou've already chosen the best response.1howd u get y(1/5)?

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1divide everything in the first equation by 5

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1there is no solution :)

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1ill use elimination now

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1times the first equation by 5 25x  25y = 5 25x + ky = 4

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1now add this equation vertically together. it would give you k=25

mariomintchev
 2 years ago
Best ResponseYou've already chosen the best response.1i probably shoulda phrased the question the way they have it on my hw. it says: Determine the value of k for which the system of linear equations has no solutions.

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1haha great :/ u say that now

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1you know why there is no solution? if you sub K = 25 it wont work

mariomintchev
 2 years ago
Best ResponseYou've already chosen the best response.1because they equal different things

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1\[\Huge{\color{Purple}{\\{\ \boxed{\mathbb{\text{}{}}{\color{green}{\color{blue}T{\color{purple}h{\color{pink}a{\color{red}nk}}}}}}}}} \] \[\Huge{\color{Purple}{\\{\ \boxed{\mathbb{\text{}{}}{\color{blue}Y{\color{green}o{\color{red}u}}}}}}} \]

mariomintchev
 2 years ago
Best ResponseYou've already chosen the best response.1haha no, THANK YOU ! :)

mariomintchev
 2 years ago
Best ResponseYou've already chosen the best response.1ok i have another one lol this one wants the k to have an infinite amount of solutions

mariomintchev
 2 years ago
Best ResponseYou've already chosen the best response.149x49y=49 7x+ky=7

mariomintchev
 2 years ago
Best ResponseYou've already chosen the best response.1the answer is not 1,7,49,1/7, or 1/49.

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1sorry been bit busy

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1so do you have an idea where to start?

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1i would times the 2nd equation by 7

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1do you undertand this yet lol?

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.149x49y=49 7x+ky=7 49x49y=49 49x + 7ky = 49

mariomintchev
 2 years ago
Best ResponseYou've already chosen the best response.1dont know where to go from there

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.149y  7ky = 0 7y(7 + k) = 0

mariomintchev
 2 years ago
Best ResponseYou've already chosen the best response.1how do we get the k from that

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1im bit confused :P you sure their is more than 1 answer??

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1oh u said this one wants the k to have an infinite amount of solutions

mariomintchev
 2 years ago
Best ResponseYou've already chosen the best response.11 K but infinite solutions we need the K

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1y(7 + k ) = 0 from this can you find K? im pretty sure you can :P

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1hint: you only need to look at this question to get K

mariomintchev
 2 years ago
Best ResponseYou've already chosen the best response.1im feeling slooow ha

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1have fun with your maths
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