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Mathematics 14 Online
OpenStudy (this):

-a^2+6a-6=3 a, 105;two real solution b, 72;two real solution c, 68;two real solution d, 0;one real solution

OpenStudy (this):

some one help me plllzzz

OpenStudy (anonymous):

Using the substitution method how do you solve 4x+y=7, 2x+5y=-1

OpenStudy (precal):

you have to use the discriminant

OpenStudy (precal):

|dw:1351471304997:dw|

OpenStudy (precal):

|dw:1351471315919:dw|

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