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ashleyb
Group Title
Solve the following system of equations.
2a – 3b + c = 10
2a – 2b – 2c = 2
a + 3b + 2c = –1
 one year ago
 one year ago
ashleyb Group Title
Solve the following system of equations. 2a – 3b + c = 10 2a – 2b – 2c = 2 a + 3b + 2c = –1
 one year ago
 one year ago

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ghazi Group TitleBest ResponseYou've already chosen the best response.0
use determinant to solve above equation
 one year ago

ashleyb Group TitleBest ResponseYou've already chosen the best response.0
idk wat that means
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
there are different methods that all come to the same results; since you have not defined a method, the determinant is suitable
 one year ago

daren13354 Group TitleBest ResponseYou've already chosen the best response.0
the determinant is kidna useless you can tell if it's not factorable once you have the equation narrowed to 2 variables.
 one year ago

daren13354 Group TitleBest ResponseYou've already chosen the best response.0
just use substitution :D!
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
ugh, substitution on these takes forever!!
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
id eliminate :)
 one year ago

ashleyb Group TitleBest ResponseYou've already chosen the best response.0
how do u eliminatte
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
you scale the eqauations so that you can combine them and eliminate one of more of the variables
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
R1, 2a – 3b + c = 10 R2, 2a – 2b – 2c = 2 R3, a + 3b + 2c = –1 R3(2), R2(1) R1, 2a – 3b + c = 10 R2, 2a + 2b + 2c =2 R3, 2a 6b 4c = 2 R1+R2, and R1+R3 R1, 2a – 3b + c = 10 R2, 0  b + 3c = 8 R3, 0  9b  3c = 12 R2(9) R1, 2a – 3b + c = 10 R2, 0 +9b 27c = 72 R3, 0  9b  3c = 12 R2 + R3 R1, 2a – 3b + c = 10 R2, 0 +9b 27c = 72 R3, 0 + 0  30c =60
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
30c = 60 c = 2
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
R1, 2a – 3b + (2) = 10 R2, 0 +9b 27(2) = 72 R1, 2a – 3b = 102 R2, 0 +9b = 72+54 b = 18/9 = 2 R1, 2a – 3(2) = 8 R1, 2a + 6 = 8 a = (86)/2 = 1
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
2a – 3b + c = 10 1 2 2  2 + 6 + 2 = 10 2a – 2b – 2c = 2 1 2 2  2 + 4  4 = 2 a + 3b + 2c = –1 1 2 2  1 6 + 4 = 1
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.0
wow that is a lot of work i do not like these so much do you?
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
i find them tedious
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
it takes longer to show the work than it does to actually get the answer :)
 one year ago

ashleyb Group TitleBest ResponseYou've already chosen the best response.0
thankyou for ur help!
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
i hope it was helpful :)
 one year ago
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