Sketch the graph of $y={{x}^{2}}-1$. Indicate clearly the values where the graph crosses the $x$

Question

Sketch the graph of $y={{x}^{2}}-1$. Indicate clearly the values where the graph crosses the $x$- and $y$-axes and the turning point. State the coordinates of the turning point.

Accepted Answer

(i) $x$-intercepts: $(-1,0)$ and $(1,0)$; $y$-intercept and turning point: $(0,-1)$. (ii) $(0,-1)$.

Sketching a Basic Quadratic Graph and Identifying the Turning Point

Sketching a Basic Quadratic Graph and Identifying the Turning Point

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