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If x^(3)=7^(5), what is the value of x ?...

If `x^(3)=7^(5)`, what is the value of x ?

A

`3.2`

B

`11.6`

C

`25.6`

D

`243.0`

Text Solution

Verified by Experts

The correct Answer is:
C
Use your calculator. First find that `7^(5)=16,807`. Then find that the cube root of 16,807 is about 25.6.
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KAPLAN-PRACTICE TEST 1 -PRACTICE TEST
  1. If x^(3)=7^(5), what is the value of x ?

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  2. If a Delta c = (ab)/(c ), which of the following equals 5 ?

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  3. If f(x)=e^(x) and g(x)=(x)/(2), then g(f(2))=

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  4. If (x+2y)/(y)=5, what is the value of (y)/(x) ?

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  5. If cos theta = 0.75, tan theta =

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  6. Which of the following is an equation of the line that has a y - inter...

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  7. For all y ne 0, (1)/(y)+(1)/(2y)+(1)/(3y) =

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  8. In a class of 10 boys and 15 girls, the average score on a biology tes...

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  9. Which of the following graphs is symmetric about the origin ?

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  10. George is going on vacation and wishes to take along 2 books to read. ...

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  11. If sqrt(3-x)-x=3,x=

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  12. The lines with the equations y = m(1)x+4 and y = m(2)x+3 will intersec...

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  13. If the probability that it will rain sometime on Monday is (1)/(3) and...

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  14. If sin 2A = (1)/(2), then (1)/("2 sin A cos A")=

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  15. What values for x would make (1)/(sqrt(x+1)) undefined ?

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  16. If 02 le x le 2, the maximum value of f(x)=1-x^(2) is

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  17. If f(x)=1-4x, and f^(-1)(x) is the inverse of f(x), then f(-3)f^(-1)(-...

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  18. Which of the following polynomials, when divided by 3x+4, equals 2x^(2...

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  19. Let |x| be defined to be the ''floor'' of x, where |x| is the greates...

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  20. If log(2)x + log(2)x=7, then =

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