Discussion questions 50-100 words -Math -5 questions

1.Imagine that a line on a Cartesian graph is approximately the distance y in feet a person walks in x hours. What does the slope of this line represent? How is this graph useful? Provide another example for your colleagues to explain.

2.What process do you use to graph a linear equation? Explain.

3.How do you find the x- and y-intercepts from a linear equation? Give an example and explain. 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. 

4.Explain the concept of modeling. How does a model describe known data and predict future data? How do models break down? Can you think of an example?

5.What are the differences among expressions, equations, and functions? Provide examples of each.