Specific Problems for CR and MATH

Test Preparation SAT Preparation
1

<p>Can anyone help me understand this problem?</p>

<p>Although posed in the most casual of circumstances,
45 the Fermi Paradox has reverberated through the decades
and has at times threatened to destroy the credibility
of those scientists seriously engaged in the Search for
Extraterrestrial Intelligence (SETI) research program.</p>

<ol>
<li>In lines 44-48, the author of Passage 2 indicates that
the Fermi Paradox has been
(A) thoroughly misunderstood
(B) surprisingly influential
(C) overwhelmingly perplexing
(D) intermittently popular
(E) frequently misquoted</li>
</ol>

<p>answer is B.</p>

<p>For all numbers a and b, let ab be defined by
a b = ab + a + b. For all numbers x, y, and z,
which of the following must be true?
I. xy = yx
II. (x - 1)(x + 1) = (xx) - 1
III. x(y + z) = (xy) + (xz)
(A) I only
(B) II only
(C) III only
(D) I and II only
(E) I, II, and III</p>

<p>answer is D.</p>

<p>For these next two questions, I was hoping to get some tips to point me in the right direction. When I broke these questions down, I was able to get them down to 2 answers; however, I believe my lack of word knowledge was my fault.</p>

<ol>
<li>The politician’s speech to the crowd was composed of
nothing but -------, a bitter railing against the party’s
opponents.
(A) digressions (B) diatribes (C) platitudes
(D) machinations (E) acclamations</li>
</ol>

<p>answer is B.</p>

<ol>
<li>Favoring economy of expression in writing, the
professor urged students toward a ------- rather
than an ------- prose style.
(A) spare . . ornate
(B) terse . . opinionated
(C) personal . . academic
(D) baroque . . embellished
(E) repetitive . . intricate</li>
</ol>

<p>Answer is A.
Thanks:)</p>

2

<ol>
<li><p>It begins with although…casual…threatened to destroy which means that it’s unexpected and reverberated means its been echoed over and over. If it’s threatened to destroy the credibility, it probably has a lot of influence and power in order to do that. I hope you get what I’m saying.</p></li>
<li><p>So 1 is a given and simplifying 2 will lead to xx-1. However as for 3 if you solve it you get xy+xz+x+y+z=xy+x+y+xz+x+y. Simplifying will lead to x=0. But x has to be all numbers so it isn’t true.</p></li>
<li><p>Well the definition of diatribe is bitter speech, I guess you just have to memorize more words</p></li>
<li><p>You know the professor wants students to be straight to the point and the 1rst blank is the opposite of the 2nd. The only 2 that work for the first blank is A and B and only A’s first blank is the opposite of the 2nd</p></li>
</ol>