Quadratic graph lines are U- or Ո-shaped, which is called a parabola. A linear graph can be drawn using only three points. A quadratic graph is a curve, so more points are plotted to support accuracy.

Section 2 introduces the quadratic inference function based on the generalised method of moments (Hansen, 1982) and the linear approximate inverse described in unpublished work by B. G. Lindsay, A. Qu ...

Not a lot of thought goes into the average spreadsheet. Yet, increasingly, spreadsheets are becoming an essential tool for data teams. Entrepreneur David Kircos knows this well; he previously worked ...

Save guides, add subjects and pick up where you left off with your BBC account. Quadratic graph lines are U- or Ո-shaped, which is called a parabola. A linear graph can be drawn using only three ...