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OpenStudy (anonymous):
How many and of what type are the solutions to x2 + 2x + 4 = 0?
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OpenStudy (precal):
look at the number of times your function crosses the x axis?
OpenStudy (precal):
3 possibilities: crosses in 1 time and it is called 1 solution (then it is a double root) crosses in 2 places and it is called 2 solutions (could be real numbers) does not cross the x axis and is known as no solution (2 complex solutions)
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