What is true about the solutions of a quadratic equation when the radicand of the quadratic formula is zero?
Answer

No real solutions

Two identical rational solutions

Two different rational solutions

Two irrational solutions

Question

What is true about the solutions of a quadratic equation when the radicand of the quadratic formula is zero?
Answer
		
No real solutions
		
Two identical rational solutions
		
Two different rational solutions
		
Two irrational solutions

anonymous · Answer

Two identical rational solutions..

anonymous · Answer

When D = 0, then two real but equal solutions form..

klimenkov · Answer

Try to get this using an article http://openstudy.com/study#/updates/5007c20be4b020a2b3bd2e96

anonymous · Answer

Might not be rational, but will certainly be real.  In the case of a quadratic with integer coefficients, it will be rational.

anonymous · Answer

Example:$$(x-\sqrt2)^2=x^2-2\sqrt2x+2=0 \implies x=\sqrt2$$One (repeated) root, real but not rational.