Sat 2015 Practice Test #1 Answer Explanations

Choice D is correct.
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h
in 
h
ơ
t
2
+ 25
t
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t
2
+ 25
t
, 
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t 
(
ơ
t
+ 25). Thus, the possible values of 
t
are 
t
DQG
t
= 4.9
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t
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time the ball is launched from the ground, and the time 
t
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Choice A, B, and C are incorrect and could arise from conceptual or 
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t
2
+ 25
t
for 
t
. 
QUESTION 26 
Choice B is correct.
Let 
[
represent the number of pears produced by 
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Type B trees, or 
[
, which can be represented as 
[[ [
pears. 
Since Type A trees 
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= 144. Thus 
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144
[
= 
Therefore, the Type B trees 
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Choice A is incorrect because while 144 is reduced by approximately 
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produced by the Type A trees. Choice D is incorrect; it results from 
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the number of pears produced by Type A trees. 
QUESTION 27 
Choice C is correct.
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1-meter-by-1-meter square has an area of 1 square meter. Thus, on
average, the earthworm counts to a depth of 5 centimeters for each of
_
1
the regions investigated by the students should be about 
of the
total number of earthworms to a depth of 5 centimeters in the entire 
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QUESTION 28