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Pre-test

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 ?

pretest_files/i0020000.jpg
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=5x-2.5
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 5-by-5 square
b.
a 5-by-8 rectangle
c.
an isoceles trapezoid with bases of 5 and 8
d.
a 5-by-5 rhombus that is not a square
 

4. 

In this experimental setup with a concave mirror, F is the focal point of the mirror.

pretest_files/i0050000.jpg

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' ?

pretest_files/i0060000.jpg
a.
1 inch
b.
4 inches
c.
5 inches
d.
6 inches
 

6. 

In the figure below, what is the measure of x?

pretest_files/i0070000.jpg
a.
130o
b.
70o
c.
60o
d.
50o
 

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:


pretest_files/i0090000.jpg


a.

pretest_files/i0090001.jpg
b.

pretest_files/i0090002.jpg
c.

pretest_files/i0090003.jpg
d.

pretest_files/i0090004.jpg
 

9. 

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

10. 

Given the following similar triangles rabc and rABC, which ratio is equal to the ratio of a/c?
pretest_files/i0110000.jpg
a.
A/C
b.
A/B
c.
B/A
d.
B/C
 



 
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