legend
What part of a graph tells what the bars or lines represet
It tells you that the two variables in the graph change together at the same rate. There may or may not be a causal relationship between the tw variables: both could be related to a third variable which is not part of the graph.
No. The slope on a speed vs time graph tells the acceleration.
Average Velocity
the x-axies
It is the legend or key.
legend
legend
legend
The legend.
the x-axies
the x-axies
What part of a graph tells what the bars or lines represet
The axis labels.
It tells you that the two variables in the graph change together at the same rate. There may or may not be a causal relationship between the tw variables: both could be related to a third variable which is not part of the graph.
There are various different ways to graph information, but the part that tells you what the bars or lines represent is called a label. A label might appear next to a line, or a bar, or it might only appear on the x axis and the y axis.