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If 3^(x)=81 and 2^(x+y)=64, then (x)/(y)...

If `3^(x)=81 and 2^(x+y)=64`, then `(x)/(y)=`

A

`1`

B

`(3)/(2)`

C

`2`

D

`(5)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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ENGLISH SAT-PASSPORT TO ADVANCED MATH-Multiple Choice
  1. If 4^(y)+4^(y)+4^(y)+4^(y)=16^(x), then y=

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  2. If sqrt(m)=2p, then m^((3)/(2))=

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  3. If 3^(x)=81 and 2^(x+y)=64, then (x)/(y)=

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  4. Which of the following is equal to y^((3)/(2)) for all values of y for...

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  5. Which expression is equivalent to ((2xy)^(-2))/(4y^(-5))?

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  6. If 10^(k)=64, what is the value of 10^((k)/(2)+1)?

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  7. If x is a positive integer greater than 1, how much greater than x^(2)...

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  8. The expression (x^(2))/(sqrt(x^(2))) is equivalent to

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  9. If n and p are positive integers such that 8(2^(p))=4^(n), what is n i...

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  10. 2sqrt(x-k)=x-6 If k=3, what is the solution of the equation above?

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  11. When x^(-1)-1 is divided by x-1,the quotient is

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  12. If n is a negative integer, which statements is always true?

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  13. If g(x)=asqrt(a(1-x)) Function g is defined by the equation above. If ...

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  14. If 27^(x)=9^(y-1), then

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  15. The polynomial x^(3)-2x^(2)-9x+18 is equivalent to

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  16. When resistors R(1) and R(2) are connected in a parallel electric circ...

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  17. In how many different points does the graph of the function f(x)=x^(3)...

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  18. (x^(2)+9x-22)/(x^(2)-121)÷(2-x) The expression above is equivalent t...

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  19. If p(x) is a polynomial function and p(4)=0, then which statement is t...

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  20. ((9)/(4)x^(2)-1)-((3)/(2)x-1)^(2) The expression above is equivalent...

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