Revise how to recognise and determine the equation of a quadratic function from its graph. BBC Bitesize Scotland revision for SQA National 5 Maths.

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 ...

2. SUM functions. Probably the most frequently used function in Excel (or any other spreadsheet program), =SUM does just that: It sums a column, row, or range of numbers—but it doesn’t just sum.