Completing the Square

a.

Write $2x^2 + kx + 26$ in the form $a(x + b)^2 + c$ where $a$ , $b$ , and $c\,$ are in terms of $k$ .

[3]

b.

Hence, or otherwise, write down the coordinates of the turning point of the graph of $y = 2x^2 + kx + 26$

[1]

Completing the Square

a.

Write $2x^2 + kx + 26$ in the form $a(x + b)^2 + c$ where $a$ , $b$ , and $c\,$ are in terms of $k$ .

[3]

b.

Hence, or otherwise, write down the coordinates of the turning point of the graph of $y = 2x^2 + kx + 26$

[1]

Completing the Square

Completing the Square Questions