Given y=−1x2+4x−1\displaystyle {y}=-{1}{x}^{{2}}+{4}{x}-{1}
Identify the vertex:  
Identify the y-intercept:  
Write this equation in vertex form:  
Graph y=−1x2+4x−1\displaystyle {y}=-{1}{x}^{{2}}+{4}{x}-{1} and the parent function

Clear All Draw: Parabola

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