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
Use the discriminant to determine how many real-number solutions the equation has.
v2 - 7v + 5 = 0
1 answer