How many roots, real or complex, does th polynomial 7_ 5x^4 - 3x^2 have in all? a.4 b.7 c.3 d.5

  a.  4

Step-by-step explanation:

The powers of x in your polynomial are 4 and 2. The highest power is the degree of the polynomial. The polynomial has as many roots as its degree.

This polynomial has 4 roots.

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Additional comment

The graph does not cross the x-axis, so all four of the roots are complex.

$9.89

step-by-step explanation:

9.90 = p x .06 x .25 (3/12 changed to a decimal)

9.90 = p x 0.015

9.90 - 0.015 = p

9.89 = p

6. 104

7. 52/37

8. 2704

9. 140608

10. -52

11. |52|=52

12. 1/52

13. 156

14. 26

15. 40

16. 37

17. -364

18. 53 1/3

19. 50.96

20. 43 2/3

21. 78

22. 50.75

23. 47.63

24. 163.28

25. 10400

26. 338

27. 208

28. 2704 square inches

29. 312 square meters

30. don't know what its asking, tell me so i can tell you

31. 8490.56

32. 52 degrees would be an acute angle

33. 128 degrees

34. 20.8

35. 39

36. 208