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Mathematics 9 Online
OpenStudy (anonymous):

4x-3y=9 8x+ky+19 For which of value of k will the system of equations above have no solution?

OpenStudy (amistre64):

id say -6

OpenStudy (anonymous):

thx

OpenStudy (amistre64):

in order to have no solution; the lines have to be parallel and NOT scalars of each other. the 19 takes care of the second caveat

OpenStudy (amistre64):

so if we simply scale the rest of it we are good to go

OpenStudy (amistre64):

4(2) = 8 -3(2) = -6

OpenStudy (anonymous):

i get it

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