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Question 7

If x varies directly as square root of y and x = 81 when y = 9, find x when y = 1 7/9

  • A.27
  • B.20.25
  • C.36
  • D.2.25
Objective

Question details

Exam body
FUTA
Subject
Mathematics
Year
2009/2010
Question no.
#7
Type
Objective
Previous · Q6Solve for x and y respectively in the simultaneous equations -2x - 5y = -3, x +… Next · Q8 T varies inversely as the cube of R. When R = 3, T = 2/81, find T when R = 2.

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