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OpenStudy (anonymous):
system of equation
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OpenStudy (anonymous):
OpenStudy (anonymous):
Multiply the first equation by 3 and you get 9x-15y=9 and -9x+15y=-6 and add them together => you will see 0=3 => there is no solution
Directrix (directrix):
same slopes, different y-intercepts, no intersection, no solution Option D
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