How can you tell when a quadratic equation has two identical, rational solutions?

a) When the radicand is negative

b) When b in the quadratic formula is greater than the radicand

c) When the radicand equals zero

d) When the radicand is not a perfect square

Question

Bryson Heath

28 October, 23:26

+3

Answers (2)

Know the Answer?

Master · Answer 1

C, Because Of The Formula.

Gideon · Answer 2

When the radicand equals zero

because if it is zero, there is no plus mius anything, you are left with - b/2a

How can you tell when a quadratic equation has two identical, rational solutions?a) When the radicand is negativeb) When b in the quadratic formula is greater than the radicandc) When the radicand equals zerod) When the radicand is not a perfect square