Data close dataInformation collected in the form of numbers ... A computer can quickly create a chart or graph from our data. It can create a chart or graph much quicker than a human can.

The coefficient of \(x^2\) is positive, so the graph will be a positive U-shaped curve. Writing \(y = x^2 - 6x + 4\) in completed square form gives \(y = (x - 3)^2 - 5\). Squaring positive or ...