Select the quadratic function that is represented by this graph.
The graph of a quadratic function is shown on the coordinate plane.
left-parenthesis negative 2 comma 3 right-parenthesis
left-parenthesis negative 1 comma 0 right-parenthesis
left-parenthesis 0 comma negative 1 right-parenthesis
left-parenthesis 1 comma 0 right-parenthesis
left-parenthesis 2 comma 3 right-parenthesis
y equals x squared plus 1
y equals x squared minus 1
y equals left-parenthesis x plus 1 right-parenthesis superscript 2 baseline
y equals left-parenthesis x minus 1 right-parenthesis superscript 2 baseline
1 answer
The quadratic function represented by the graph is y = x^2 - 1.