Solve $x^{2} + 2x − 5 = 0$.

1. How many x-intercepts does $y = x^{2} + 2x − 5$ have?

   Hint (a):

   How many solutions did you find?

2. Approximately where does the graph of $y = x^{2} + 2x − 5$ cross the x-axis?

   Answer (b):

   $x ≈ 1.45 \text{ and } x ≈ −3.45$