section 2.5 problems
- 6
- Is the table direct, inverse or neither?
- If it is direct or inverse, what is the equation?
- 7 - the "constant of variation" is k
- 8 - the distance from the fulcrum is inversely proportional to the weight of the person, therefore distance and weight are x and y. If a seesaw is balanced, k on one side must equal the k on the other side.
- 9b - same as problem 8
- 10
- the number of students raising money is inversely proportional to how much money each student needs to raise.
- $10,000 is k
- 10b, graph using calculator, important! Set window so your points fill the screen, make xmin=0 and ymin=0. What should xmax and ymax be? xscl and yscl can be anything.
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