Question

To find the value of k.

Answer 1

he quadratic equation isx= (-b ±√(b2-4ac))/2a If b2-4ac is less than zero the roots are not real. a=2, b=5, c = k b2-4ac<052-4(2)k <025-8k <0-8k < -25k>25/8 k>3.125