A

9000031105

Level: 
A
Solve the following system of equations and identify a correct statement. \[\begin{aligned} \frac{1} {x + 1} -\frac{1} {y} = 0 & & \\y^{2} = 1 & & \end{aligned}\]
The system has two solutions.
The system does not have any solution.
The system has a unique solution.
The system has infinitely many solutions.

9000031104

Level: 
A
Solve the following system of equations and identify a correct statement. \[\begin{aligned} \frac{x} {y + 1} - \frac{2} {x + 1} & = 0 & & \\\frac{y} {x} + \frac{2} {x} & = -1 & & \end{aligned}\]
The system has a unique solution.
The system does not have any solution.
The system has two solutions.
The system has infinitely many solutions.

9000027308

Level: 
A
Identify the solution set of the following inequality. \[ |2x - 1| > 5 \]
\(\left (-\infty ;-2\right )\cup \left (3;\infty \right )\)
\(\left (-\infty ;-4.5\right )\cup \left (5.5;\infty \right )\)
\(\left (1.5;\infty \right )\)
\(\left (-\infty ;0\right )\cup \left [ 5;\infty \right )\)