Image caption, This scatter diagram shows the age of a car and its value. This graph is an example of a negative correlation. As the age of a car increases, its value decreases. Image caption ...

Quadratic graph lines are U- or Ո-shaped ... For \(y = -x²\), work out \(-x²\) (which is the negative value of \(x²\)). Draw and label the axes to include the minimum and maximum values ...

How are humans contributing to negative selection? It's a part of evolution that can also drive some species to extinction; models of negative selection help us understand biodiversity.