SOLUTION: For the quadratic equation {{{ 2x^2+2x+3=0 }}}, explain how to find a value of "b" where the discriminant yields a quadratic equation with the following types of solutions.
a. t
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Question 530526: For the quadratic equation , explain how to find a value of "b" where the discriminant yields a quadratic equation with the following types of solutions.
a. two imaginary solutions
b. one real solution
c. two rational solutions
d. two irrational solutions
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The discriminant is
where
In the quadratic formula, it appears
under the square root sign
(1)
2 imaginary solutions:
(2)
1 real solution:
(3)
2 rational solutions:
and
is a perfect square
(4)
and
is not a perfect square
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