Save guides, add subjects and pick up where you left off with your BBC account. All quadratic functions have the same type of curved graphs with a line of symmetry. The graph of the quadratic ...

Solving quadratic equations - Eduqas Graphs of quadratic functions. ... (ax^2 + bx + c = 0 \) has just one solution (a repeated root) then the graph just touches the x-axis without crossing it.