December 2010 SAT Math

<p>@Laerties $2.40 for the candy/chocolate? (i can’t remember) one</p>

<p>What are the highest and lowest scores that I should expect?
2 omits 5 mc wrong 1 grid in wrong. What are the highest and lowest scores I should expect. Is there a chance of being in da 90th percentile too?</p>

<p>^That would give you a raw score of 45. 46 Correct answers-(5/4)=44.75 Round up to 45</p>

<p>thats probably going to be anywhere from 650-690 w/ an average of 670.</p>

<p><a href=“http://www.erikthered.com/tutor/SAT-Released-Test-Curves.pdf[/url]”>http://www.erikthered.com/tutor/SAT-Released-Test-Curves.pdf&lt;/a&gt;&lt;/p&gt;

<p>@Laerties
13. ratio of side lengths of 2 squares is 2:3, what is the ratio of the areas
15. which of the following equations are always true for any values of a and b</p>

<p>6 for x+4>1, x-3<1</p>

<p>@kk0494 I really dont remember the a chocolate problem haha! Your probably right, but i’m also sure there was a problem asking for the total number of cars a symbol on a chart represented.</p>

<p>THanks for the 13 and 15 now I remember =D</p>

<p>what are the chances of a generous curve for these math sections?</p>

<p>(9,10) was the y= a(x-5)^2 + b
x+y-z is -50
reflected over y = 4 is 5
4 digit =18 combinations
9:10
50-50, answer 0
sqroot 136
Equilateral Triangles all w sides 6 around a square. Perimeter =48
(x+4>1, x-3<1)answer=6 values for x 0,1,2,3,-1,-2</p>

<p>free response:
9
7(what as this question asking)?
1320 prism
2200
3k/17 has to be k=17
2.5 for evenly distributed ticks
3x + 4y = 40 answer-> 5.71</p>

<ol>
<li>12 (find x, x=2g, 3=g/2)??</li>
<li>77th in line</li>
<li>12(averages problem find x)</li>
<li>4 cranks</li>
<li>II only (pythagorean theorem one)</li>
<li>75(what was this one)?</li>
<li>9(what was this one)?</li>
<li>2.40(auto industry problem)?</li>
<li>AP<AC (point p anywhere in rectangle)</li>
<li>-9<Y<1</li>
<li>Y=3X(just plugged in 2,6 to each one)</li>
<li>(X-3)(X+2)(had to factor each to find answer)</li>
<li>4:9 (Ratio of 2 square sides is 2:3 what is ratio of area?)</li>
<li>(X+5)^2 - X^2 = 125 (word problem, rearranged to solve for x)</li>
<li>I and III (which of the following equations are always true for any values of a and b)</li>
<li>72pi (semicircle one)</li>
<li>|H-68|<6 (pilot one)(option d?)</li>
<li>f(-1)=f(1) is False</li>
<li>12</li>
<li>1/4 tomato/potato question</li>
</ol>

<p>“was the question about the population growth the very last choice? (e)”</p>

<p>Do you have math experimental?</p>

<p>Shaded parabola= y is greater than or equal to x^2+1
and 100pi question about circle radius 5 inscribed in triangle inscribed in larger circle.
are these two questions real or experimental, if anyone can confirm it I would be really appreaciate</p>

<p>^I didn’t have the experimental, I also did not have those problems so they may be.</p>

<p>^
^</p>

<p>I had both of these questions and I had a writing experimental so I guess both are real.</p>

<p>there was a question on the west coast version about the product of the slopes of something.</p>

<p>I put down 1.</p>

<p>also, for the fiction/biographies question, the answer is 36, not 72. because the books can be read 2 different ways with each combination ie. (fiction, biography) and (biography, fiction), you have to divide 12*6 by 2, which gives you 36. I confirmed with my tutor.</p>

<p>@nritya</p>

<p>Are you SURE you have to divide by two?</p>

<p>Let’s simplify the problem: let’s say there are 5 types of fiction and 3 types of biographies.</p>

<p>So using your logic, the # of combinations should be (5*3)/2
That equals 7.5 (which doesn’t even make any sense as you can’t have a decimal)</p>

<p>There are 5*3 or 15 possible ways</p>

<p>F1 B1
F1 B2
F1 B3</p>

<p>F2 B1
F2 B2
F2 B3</p>

<p>F3 B1
F3 B2
F3 B3</p>

<p>F4 B1
F4 B2
F4 B3</p>

<p>F5 B1
F5 B2
F5 B3</p>

<p>As you can see, there are 15 possible combination. No need to divide by two.</p>

<p>it was one of the earlier questions in the section so i doubt it’ll be that hard</p>

<p>think about it like this
there are 36 combinations of 2 sets of 6s</p>

<p>then the same 6 fictions can also be paired up with the other 6 biographies (or 6 bios with other 6 fics) to form antoher 36</p>

<p>A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12
repeat for B C D E and F</p>

<p>yea that doesnt make sense i think you over thought it</p>

<p>@everyone: i made a dumb error on one problem! ■■■ x.x
what score do you guys think -1 will come out to be on this math section?
erm… i personally felt that of the math sections i’ve taken, this was one of the harder ones (although i got all of the hard ones and missed the easy one T.T). anyone else feel this way?</p>

<p>thanks!</p>

<p>What is the question with 3/8 grid in? Can anyone please tell me?</p>

<p>@azen: I’m in the same boat as you… I think I missed one too cause of a careless mistake (forgot a detail in the problem…■■■). Hoping for 780+. Maybe 770 =(</p>

<p>most -1s in erikthered’s thing have been a 790
but recently 770 seems to be the norm</p>

<p>okay, thanks. need a good score on math cause i butchered the writing mc. T_T</p>