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


1.

In
the figure below, rABC is similar to rDEF. What is the ratio of the area of rABC
to the area of rDEF ?
a.  1 to 8  b.  1 to
4  c.  1 to
2  d.  1 to
1  



2.

Which
equation, if graphed on the xy coordinate system, would have a y intercept equivalent to
2.5.
a.  y=2x+5  b.  y=5x2.5  c.  2y=2x+5  d.  2y=5x+2.5  



3.

A
student thinks that the diagonals of any quadrilateral are always equal. Which quadrilateral can be
used to show that the student is incorrect?
a.  a 5by5 square  b.  a 5by8
rectangle  c.  an isoceles trapezoid with bases of 5 and
8  d.  a 5by5 rhombus
that is not a square  



4.

In
this experimental setup with a concave mirror, F is the focal point of the
mirror.
Where is the image of the candle
located?
a.  to the left of
the candle.  b.  between the candle and point F.  c.  between point F
and the mirror.  d.  to the right of the mirror.  



5.

The
figure below shows a dilation of rABC into rA'B'C'. the center of the dilation is O, and the scale
factor is 3.5. If the length of OA is 2 inches, what is the length of AA'
?
a.  1 inch  b.  4
inches  c.  5 inches  d.  6
inches  



6.

In
the figure below, what is the measure of x?
a.  130^{o}  b.  70^{o}  c.  60^{o}  d.  50^{o}  



7.

If
two complementary angles are equal, which statement is also true?
a.  Both angles are
obtuse  b.  Both angles are adjacent  c.  Both angles are
right angles  d.  Both angles have equal supplements  



8.

Which
of the following is equivalent to:


9.

Given the
equation (y/m) = ax + b, which of these is the solution for the unknown x?
a.  amyb  b.  (am/y)+b  c.  (y/mb)/a  d.  (y/am)b  



10.

Given the
following similar triangles rabc and rABC, which ratio is equal to the ratio of a/c?
