All quadratic functions have the same type ... If the equation \(ax^2 + bx + c = 0 \) has just one solution (a repeated root) then the graph just touches the \(x\)-axis without crossing it.

All quadratic functions have the same type ... If the equation \(ax^2 + bx + c = 0 \) has just one solution (a repeated root) then the graph just touches the x-axis without crossing it.