2000001510 | math4u.vsb.cz

SubArea:

Quadratic equations with complex roots

Level:

Project ID:

2000001510

Accepted:

0

Clonable:

0

Easy:

1

Choose the equation that has the solutions

x_{1} = 5 + i \sqrt{15}

and

x_{2} = 5 - i \sqrt{15}

.

x^{2} - 10 x + 40 = 0

x^{2} + 10 x - 40 = 0

x^{2} + 10 x + 15 = 0

x^{2} + 15 x - 25 = 0