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Mathematics 17 Online
OpenStudy (anonymous):

if an equation has a discriminant of zero how many times will the graph touch the x–axis? a.0 b.1 c.2 d.3

OpenStudy (luigi0210):

Well if the discriminant is a positive/perfect square it touches twice.. if it negative there are no solutions..

OpenStudy (luigi0210):

So by that logic I'm gonna have to say that it has one real repeating solution..

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