Question

-7 = -3\sqrt{x} -1" alt="1/2x^3 + x -7 = -3\sqrt{x} -1" align="absmiddle" class="latex-formula">
what is the value of x?
A. 13/8
B. 15/8
C.27/16
D. 25/16

Answer 1

Answer:

  none of the above

Step-by-step explanation:

The problem as written cannot have any of the solutions offered.

For any of those choices, the right side expression will be irrational. The left side expression will be rational for any rational value of x, so cannot be equal to the right-side expression.

The solution is an irrational number near ...

  x ≈ 1.33682898582