Posted by jeng on .
Use the discriminant to determine how many realnumber solutions the equation has.
v2  7v + 5 = 0

math 
drwls,
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