To make a smooth curved line graph in Excel, follow these steps-Enter your data in the spreadsheet and select it to make a graph. Go to the Insert tab and insert a 2-D line graph.

On a graph this would look like a straight line going upwards or downwards. will continue indefinitely. For example, as a person's age increases during childhood, their height typically increases.

The graph of the quadratic function \(y = ax^2 + bx + c\) is a smooth curve with one turning point. The turning point lies on the line of symmetry. Graph of y = ax 2 + bx + c ...