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Mathematics 14 Online
OpenStudy (anonymous):

How many real solutions are there for the equation? x2 + 9x = -7 A. 2 B. 1 C. 0

Directrix (directrix):

Do you know how to find the discriminant of x² + 9x + 7 = 0? If so, that will tell you something about the number and type of solutions for this. @tm-cool

Directrix (directrix):

Use the attached instructions to find the discriminant.

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