Santiago Frazier
12/25/2023 · High School
For the equation find the vertex and \( x \)-intercepts, then graph. Determine the domain and range. \( y=x^{2}+2 x-1 \)
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The vertex is at \( (-1, -2) \), the \( x \)-intercepts are \( (-1 + \sqrt{2}, 0) \) and \( (-1 - \sqrt{2}, 0) \), the domain is \( (-\infty, \infty) \), and the range is \( [-2, \infty) \).
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