- Complete the table of values for the equation `y=4-x^2`. (1 mark)
\begin{array} {|l|c|c|c|c|c|}
\hline
\rule{0pt}{2.5ex} x \rule[-1ex]{0pt}{0pt} & -2 & -1 & \ \ 0\ \ & \ \ 1\ \ & \ \ 2\ \ \\
\hline
\rule{0pt}{2.5ex} y \rule[-1ex]{0pt}{0pt} & & & & 3 & \\
\hline
\end{array}
- Sketch the graph `y=4-x^2` (2 marks)
- What are the coordinates of the vertex of the parabola? (1 mark)
--- 2 WORK AREA LINES (style=lined) ---
Show Worked Solution
i.
\begin{array} {|l|c|c|c|c|c|}
\hline
\rule{0pt}{2.5ex} x \rule[-1ex]{0pt}{0pt} & -2 & -1 & \ \ 0\ \ & \ \ 1\ \ & \ \ 2\ \ \\
\hline
\rule{0pt}{2.5ex} y \rule[-1ex]{0pt}{0pt} & 0 & 3 & 4 & 3 & 0 \\
\hline
\end{array}
ii.
iii. `text{Vertex at (0,4)}`