1.2 Algebra and Functions

83%

A curve $C\,$ has equation $y = f (x)$ where

f(x) = -3x^2 + 18x + 4

a.

Write $f (x)$ in the form $a(x + b)^2 + c$ , where $a$ , $b\,$ and $c\,$ are constants to be found.

[3]

b.

Find the coordinates of $P$ , the maximum turning point.

[2]

83%

A curve $C\,$ has equation $y = f (x)$ where

f(x) = -3x^2 + 18x + 4

a.

Write $f (x)$ in the form $a(x + b)^2 + c$ , where $a$ , $b\,$ and $c\,$ are constants to be found.

[3]

b.

Find the coordinates of $P$ , the maximum turning point.

[2]

1.2 Algebra and Functions Questions