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Mathematics 19 Online
OpenStudy (anonymous):

If an equation has a positive discriminant, how many times will the graph touch the x–axis? Answers: 1 3 0 2

OpenStudy (anonymous):

two times!

OpenStudy (anonymous):

\[y=ax^2+bx+c\] if \[b^2-4ac>0\] then \[y=ax^2+bx+c=0\] as two solutions by the quadratic formula, so crosses the x axis twice

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