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Mathematics 9 Online
OpenStudy (anonymous):

Using the discriminant, how many times does the graph of this equation cross the x-axis? 3x^2+6x+2=0

OpenStudy (wolf1728):

discriminant = sq root (b² - 4ac) discriminant = sq root (36 -4*3*2) discriminant = sq root (24) So the answers will be real and the graph crosses the x-axis twice.

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