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- For what values of m is the graph of y=mx+b steeper than the graph of y=x.

- For what values of m is it less steep?

- For what value(s) of m do the two graphs coincide?

- For what values of m does the graph rise from left to right?

- For what values of m does the graph fall from left to right?

- For what value(s) of m does the graph of y=mx+b appear to be
perpendicular to the graph of y=x.

- Where does the graph of y=x intersect the x-axis? the y-axis?

- Where does the graph of y=mx + 0 intersect the x-axis? the y-axis?

- How does the graph of y=mx+b compare to the graph of y=x when b=0?

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