9000020407 | math4u.vsb.cz

SubArea:

Quadratic equations and inequalities

Level:

Project ID:

9000020407

Accepted:

1

Clonable:

0

Easy:

0

In the following list identify an equation with real solution.

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

- x^{2} + 4 x - 5 = 0

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

x^{2} - x + 1 = 0