Question

How many real solutions does the following quadratic equation have?

25x^(2)+60x+36=0


(1 point)

Answer 1

Discriminant Δ = 60^2 − 4·25·36 = 3600 − 3600 = 0, so there is exactly one real solution (a double root): x = −60/(2·25) = −6/5.