Radical equations and inequalities | math4u.vsb.cz

9000024808

Level:

C

In the following list identify a true statement referring to the following equation.

\sqrt{4 x^{2} - \sqrt{8 x + 5}} = 2 x + 1

The equation has a unique solution, this solution is a negative number.

The equation has two solutions, both solutions have an opposite sign.

The equation has a unique solution, this solution is a positive number.

The equation does not have a solution.

9000024810

Level:

C

Find the solution set of the following inequality.

\sqrt{| x |} > x

K = (- \infty; 0) \cup (0; 1)

K = (- \infty; 1)

K = R^{+}

K = (0; 1)

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