Sketch the graph of $y={{\left( x+2 \right)}^{2}}-1$. Indicate clearly the values where the graph

Question

Sketch the graph of $y={{\left( x+2 \right)}^{2}}-1$. Indicate clearly the values where the graph crosses the $x$- and $y$-axes and the turning point Write down the equation of the line of symmetry.

Accepted Answer

(i) Turning point: $(-2,-1)$; $y$-intercept: $(0,3)$; $x$-intercepts: $(-3,0)$ and $(-1,0)$. (ii) $x=-2$.

Sketching a Quadratic Graph in Vertex Form and Finding Its Line of Symmetry

Sketching a Quadratic Graph in Vertex Form and Finding Its Line of Symmetry

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