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Mathematics 9 Online
OpenStudy (anonymous):

..

OpenStudy (anonymous):

a, b, or c; use the quadratic formula and check your answers.

OpenStudy (anonymous):

i got c. none

OpenStudy (campbell_st):

you're correct the discriminant is 64 - 4 x 7 x 5 = -74 so no real soutions

OpenStudy (anonymous):

I got A.

OpenStudy (campbell_st):

are you sure there isn't a typo in the rocket question as the path would look like |dw:1386444520791:dw|

OpenStudy (anonymous):

-0.04 sorry

OpenStudy (campbell_st):

well that makes more sense and you have the correct answer

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