150 words

What is the difference between a scatter plot and a line graph? Provide an example of each. Does one seem better than the other? In what ways is it better? 

150 words

If a line has no y-intercept, what can you say about the line? What if a line has no x-intercept? Think of a real-life situation where a graph would have no x– or y-intercept. Will what you say about the line always be true in that situation?