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OpenStudy (anonymous):
3x+7y=12 6x-ky=6 for which of the following values for k will the system of equations above has no solution ? -14 -7 0 7 14
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OpenStudy (anonymous):
Substitute each possible value into the equations to see if they work
OpenStudy (anonymous):
After you substitute a value in, solve the system. example: 6x - (-14)y = 6 3x + 7y = 12 I'd multiply - 2(3x + 7y = 12 ) then add it to the top equation. Does that help
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