Answers and Explanations

PRACTICE TEST 1

1 . C

Use your    calculator. First   find    that     75     =   16,807. Then    find    that    the cube    root    of  16,807  is

about   25.6.

2 . E

Go  down    the answer  choices and try multiplying the first   two numbers and dividing    by  the

third   until   you find    the choice  that    yields  5.

The answer  is  (E) because .

3 . B

Perform the inside  function    first:

Then    perform the outside function    on  the result:

4 . C

Manipulate  the equation    to  get  on one side: