Official SAT March 10 Math Discussion

<p>poop i hope its a good curve so that i can get a 770 i my parents will be really mad if i dont get a 1400 (cr+math) so i need to do as best as i can on math to even out a marginal eng grade.</p>

<p>what choice was 1/16a^2 a,b,c,d, or e</p>

<p>either C or D i think</p>

<p>I think it was C.</p>

<p>is the experimental section the one with the cube and 2^-x * 2^y = 8? all the other math were easy but that section was hard</p>

<p>It wasn't experimental since I had that section and my experimental was writing.</p>

<p>Which writing section was the experimental one?</p>

<p>section 7. it was really obvious because it was stupid easy and every question tested the same exact rule.</p>

<p>Does anyone remember the question involving something about a graph and it being tangent to the x-axis? I omitted that question, can someone explain it to me?</p>

<p>i got 4, Duper</p>

<p>Roots: x=4 or x=4</p>

<p>Do you remember the question? I was completely dumbfounded.</p>

<p>all you have to do is get that term x^2-8x+16 into (x-4)^2 and then the vertex is at (4,0) and viola, there is your answer</p>

<p>it was where is the eq y=x^2-8x+16 tangent to x axis</p>

<p>can someone tell me what the problem was where you get 1/16a^2</p>

<p>I just took the derivative of the function and solved for x: </p>

<p>x^2 - 8x + 16 = f(x)</p>

<p>f'(x) = 2x - 8</p>

<p>2x = 8
x = 4</p>

<p>I had four math sections and had problems with the last two problems on the third section. One asked for the number of combinations when two applicants out of eight with 5 positions availble would both have a position. The other was something like: A, B and C are different points. Which of the following cannot be true. </p>

<p>AB + AC > BC
AB - AC < BC
AB + AC = BC
AB^2 + AC^2 = BC^2</p>

<p>or something along those lines....</p>

<p>Can anyone help me with these?</p>

<p>also I got 1/16a^2 and (3,5) for the ones that seem to be under question... it was (3,5) becaue (x-1, y) moves the point over one to the RIGHT in the x direction... chears</p>

<p>can someone tell me what the problem was where you get 1/16a^2 and what the other answer choices were</p>

<p>Did anyone get the question with the farenheit and celsius?
i think i got like 81.4 for that but im not sure.</p>

<p>or it could have been 33. lol i just dont remember
but did anyone get the farenheit question</p>

<p>and what exactly is the experiemental, today was my first time taking the SATs</p>

<p>Argh...... that was such an easy question. I can't believe I omitted. I kept thinking it tangent meant perpendicular, haha.</p>

<p>@lolol, I think the answer was 122.</p>