December ACT 2008 Math

<p>hmm only 1 person got -3/4 that actually didn't guess lol (i guessed but i knew it was neg)</p>

<p>my friend who is AMAZING at math calculated -1/2.</p>

<p>You forgot to distribute the (-) sign spaz...</p>

<p>x^2-2xy+y^2 - (x^2+y^2)</p>

<p>Distribute the negative u get </p>

<p>x^2-2xy+y^2 -x^2-y^2</p>

<p>Cancel the xs and ys and u are left with -2xy.</p>

<p>yeah its -2xy and 128. </p>

<p>Hey what did you get for the one that said sales tax prices were included in parenthesis and didnt even give a sales tax value. I got $6.10 but put the next highest (E) as my answer b/c of sales tax. idk very wierd Q.</p>

<p>I put -1/2 because if u find the slope of the A and B point u get -1/2 and shouldn't it be like parallel to get the same area..?</p>

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<p>Sales tax is indeed (E)</p>

<p>i thought it was (x^2-y^2) instead of +</p>

<p>Now I am doubting -3/4. Maybe it was -1/2. Was it -4/8?</p>

<p>@ bicyclekick
I missed 4 in math the last time I took the ACT and I got a 34 so surely -3 wouldn't be lower than a 33...</p>

<p>Could it have been positive?</p>

<p>Do you remember what letter the answer for "21" and the quarters was?</p>

<p>Crap! gcf101 got -3/4...aren't u like a super smart math dude who takes college courses? Man there goes my 36 in M...:(</p>

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<p>(D) 21</p>

<p>D for quarters.</p>

<p>it went like 3, 9, 16, 21, E</p>

<p>^I am not sure about -3/4!! I can't remember. :o</p>

<p>Oh, maybe I still have a chance lol.</p>

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<p>3,9,16,21,26 in order were the choices for quarter.</p>

<p>Did anyone get ''$5.75 '' or ''5.50'' as an answer? </p>

<p>for the parking meter one^</p>

<p>@Quicksandslowly
thanks for the compliment (I am blushing lol), but the college is in the past for me (fortunately or not).</p>

<p>Haha, no problem. I just assumed so since you knew a bunch on the SAT forum.</p>

<p>I think the parking meter one was 6.10 because even if the hour wasn't used up it still costs 0.75.</p>

<p>"D for quarters."</p>

<p>0.0!!! Thank you. So happy, I guessed D without even looking back at the question :O</p>

<p>Lol, according to the quick statistical check I did on the ACT offical guide tests, D is the best choice to guess on lol.</p>

<p>It gave 3 equ triangles around a right triangle.</p>

<p>It asked to list the angles in increasing order. XYZ was the largest. How about the other two?</p>