Posted by **jeng** on Sunday, November 15, 2009 at 3:33pm.

Use the discriminant to determine how many real-number solutions the equation has.

v2 - 7v + 5 = 0

- math -
**drwls**, Sunday, November 15, 2009 at 4:20pm
You must mean the quadratic equation,

v^2 -7v +5 = 0

The discriminant is b^2 - 4ac = 49 - 20 = 29

Since this is positive, there are two real answers, [7 +/- sqrt29]/2

which are 6.1936 and 0.8074

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