Completing the Square

91%

a.

Write $4x^2 - 16x + 7$ in the form $a(x + b)^2 + c$ where $a$ , $b$ , and $c\,$ are integers.

[3]

b.

Hence, or otherwise, write down the coordinates of the turning point of the graph of $y = 4x^2 - 16x + 7$

[1]

91%

a.

Write $4x^2 - 16x + 7$ in the form $a(x + b)^2 + c$ where $a$ , $b$ , and $c\,$ are integers.

[3]

b.

Hence, or otherwise, write down the coordinates of the turning point of the graph of $y = 4x^2 - 16x + 7$

[1]

Completing the Square Questions