Sketch the graph of $y=-(x-5)(x+1)$. Indicate clearly the values where the graph crosses the $x$

Question

Sketch the graph of $y=-(x-5)(x+1)$. Indicate clearly the values where the graph crosses the $x$- and $y$-axes. Write down the equation of the line of symmetry of the curve.

Accepted Answer

(i) Downward-opening parabola with intercepts $(-1,0)$, $(5,0)$, $(0,5)$ and maximum $(2,9)$. (ii) $x=2$.

Quadratic Functions, Equations and Inequalities - Sketching Quadratic Graphs

Quadratic Functions, Equations and Inequalities - Sketching Quadratic Graphs

Solution:

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