algebra regents january 2014
through these points. Key takeaway: The graph opens upward, vertex at (2, -1), and intercepts at (1, 0) and (3, 0). Sample Question 3: Solving a System of Equations Question: Solve the system: \[ \begin{cases} 2x + y = 7 \\ x - y = 1 \end{cases} \] Solution: Solve th