(a)[1]
Find the equation for the graph’s line of symmetry.
(b(i))[1]
Show that $k$ has the value 21.
(b(ii))[1]
Find the value of $p$ from this graph.
(c)[1]
Write down the $y$-coordinate of the point at which the graph meets the $y$-axis.
Mathematics 0580 · IGCSE · Graphs of functions
Graphs of functions — practice question
The diagram depicts the graph of $y = x^2 - 2x - 3$. It intersects the $x$-axis at $(-1, 0)$ and $(3, 0)$. The figure is labelled NOT TO SCALE.