9000020002
Level:
A
Find the domain of the following equation.
\[
\sqrt{6 - x} = 11
\]
\((-\infty ;6] \)
\((5;\infty )\)
\((-\infty ;5)\)
\([ - 6;\infty )\)
Radical equations and inequalities
9000020003
Level:
A
Find the domain of the following equation.
\[
\sqrt{3x + 6} + \sqrt{8 - 2x} = 11
\]
\([ - 2;4] \)
\((-\infty ;-2] \)
\([ - 2;\infty )\)
\([ 4;\infty )\)
9000020005
Level:
A
Identify a true statement referring to the solution of the following equation.
\[
\sqrt{2x - 5} = 3
\]
The solution is a prime number.
The solution is an even number.
The solution is a number divisible by the number
\(3\).
The solution is an irrational number.