If you understand the definition of a mathematical function, a good way to judge it is that any line ... a scatter plot, whether you use it simply with marking points or lines, the graph is ...

All quadratic functions have the same ... equation to 1 decimal place. Draw and complete a table of values to find coordinates of points on the graph. Plot these points and join them with a ...

Image caption, STEP 2 - Draw a graph with two axes: total time (x axis) and total distance (y axis). Label the axes. Image caption, STEP 3 - Plot the points from the table. For the walk to friend ...