Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.


1.

For
which value of x does ?


2.

By
simply examining , which are all of the numbers that
cannot be solutions of the equation? a.  3  c.  9 and 0  b.  ^{–}3 and 3  d.  ^{–}3, 0, and 3     


3.

For
which value of x does ?


4.

Which
is the solution set for ?


5.

Which
is the solution set for ? a.  {^{–}5}  c.  {^{–}12}  b.  {^{–}5, 2}  d.  Æ     


6.

How
many real solutions does
have?


7.

How
many rational solutions does
have?


8.

The
formula describes the relationship between the focal length
f of a thin lens, the distance p between the object and the lens, and the distance
q between the lens and the image. If an object is placed 30 centimeters from a lens with focal
length of 12 centimeters, how far will the image of the object be from the lens? a.  0.05
cm  c.  18
cm  b.  10
cm  d.  20
cm     


9.

For
certain species of tree, the height h, in meters, is approximated by the diameter d, in
centimeters, using the formula . Which is
closest to the diameter of a 45meter tall tree of this species? a.  79
cm  c.  52
cm  b.  58
cm  d.  26
cm     
