What is the reciprocal of x

  1/x

Step-by-step explanation:

The reciprocal is the value that gives 1 when multiplied by x. Suppose we let the reciprocal be represented by "r". Then the definition says ...

  (r)(x) = 1

To solve for r, we divide by x.

  r = 1/x

The reciprocal of x is 1/x.

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above