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OpenStudy (anonymous):
How many solutions are there for the equation? x2 + 9x = -7
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OpenStudy (anonymous):
Choices are 2, 1, and 0.
OpenStudy (phi):
Generally speaking a quadratic always has 2 solutions, though it may be repeated (so some people say that is only 1 solution), or imaginary (though sometimes people say "no solution"). But in this case, you can use the quadratic formula and find to unique solutions.
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