Drawing reciprocal graphs

12 questions

1. 1\over7 is the __________ of 7
2. What is the value of y when x=5 in the equation y=15x? ___
3. What is the value of y when x=5 in the equation y={15\over{x}}? ___
4. What is the value of y when x={1\over{2}} in the equation y=6x?
5. What is the value of y when x={1\over{2}} in the equation y={6\over{x}}?
6. What is the value of y when x=-{1\over{2}} in the equation y={6\over{x}}? A calculator might be useful to check your calculation here.
7. __________ graphs can have the form y={k\over{x}}
8. Which coordinate pairs will appear in the graph of y={30\over{x}}?
9. Which coordinate pairs will appear in the graph of y={45\over{x}} ?
10. Laura say this is not the graph of a reciprocal equation. How can you tell Laura is correct?
11. Which of these reciprocal graphs will intercept the x axis?
12. Which coordinate pair is the x intercept for the graph of y={42\over{x}}-6 ?

License: OGL