2000004604 | math4u.vsb.cz

SubArea:

Radical equations and inequalities

Level:

Project ID:

2000004604

Accepted:

0

Clonable:

0

Easy:

1

Choose the correct statement about the following equation.

4 + 2 \sqrt{x + 4} = x

The root of the equation is

x = 12

.

The equation has no root in

R

.

The roots of the equation are

x_{1} = 0

and

x_{2} = 12

.

The roots of the equation are

x_{1} = 4

and

x_{2} = - 2

.