On the grid provided below, sketch the graph of $y=(x-4)(x+2)$. Indicate clearly the coordinates o

Question

On the grid provided below, sketch the graph of $y=(x-4)(x+2)$. Indicate clearly the coordinates of the points where the graph meets the coordinate axes and the turning point. State the minimum value of $y$.

Accepted Answer

(a) intercepts $(-2,0)$, $( 4,0)$, $(0,-8)$; turning point $( 1,-9)$; (b) $-9$.

Sec 3/4 E Math T01-Q10 - Sketching a quadratic graph

Sec 3/4 E Math T01-Q10 - Sketching a quadratic graph

Solution:

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