Symmetry with respect to a point Animation Play

The figures symmetric with respect to the marked point Whiteboard exercise Play

The function y = ln|x| Animation Play

The functions  y = x 2  and  y = –x 2 Student activity Play

The graph of the function y = ln |x| Student activity Play

The reasons for using circles Animation Play

The simplest quadratic functions Animation Play

Type of skewness Whiteboard exercise Play

Type of skewness Student activity Play

Using properties of a parabola Whiteboard exercise Play