9000025606 | math4u.vsb.cz

SubArea:

Quadratic equations and inequalities

Level:

Project ID:

9000025606

Accepted:

1

Clonable:

0

Easy:

1

In the following list identify a quadratic equation which has a unique solution.

x^{2} + 2 x + 1 = 0

x^{2} - 3 x - 1 = 0

x^{2} + 2 x - 1 = 0

x^{2} - 3 x + 1 = 0