Question

help me please correct my answer


7. Use the discriminant to determine the number and type of solutions the equation has.

x2 + 8x + 10 = 0


no real solutions
one real solution
< two rational solutions >
two irrational solutions

Answer 1

Do you know what the discriminant is?

Answer 2

yes

Answer 3

Well, we can use that to figure out what kind of zeroes this quadratic equation will have.
Check out this site: http://www.mathwarehouse.com/quadratic/discriminant-in-quadratic-equation.php
They explain it well.

Answer 4

Right...if the discriminant is

> 0 = 2 real roots
= 0 = 1 real root
<0 = 2 complex roots