Act math section february 2012

<p>voberaptor- the answer to that was (9,0)</p>

<p>@Voberaptor the answer to that one was (9,0) for the intercept</p>

<p>for the fractions one…(100001/100000)(100000/100001)=1</p>

<p>aight well the x intercept was (9,0) for the questions that was 81/x^2+64/y^2=1</p>

<p>thanks guys</p>

<p>and also it got closer and closer to 0 cause it was multiplying by a fraction that was less than 1</p>

<p>[UPDATED] I’ll post here the answers everyone has listed so far in addition to some that I got:
Dice problem: 1/2
Shaded regions: 18
Multiplying fractions problem as x gets greater and greater: 0 (not confirmed)
Simplifying polynomial problem: (W+X)^2-(Y+X)^2
Circle inside circle radius: 1/2x
Large rectangle: 1/2
Slope point problem (slope was like 3/4 and you had to find an equal point): (x+4, y+3)
X intercept: (9,0)</p>

<p>PLEASE GIVE SOME MORE INPUT ON THE FRACTIONS ONE AND THE TRIANGLE RAMP ONE</p>

<p>Update: it looks like 3 people say the fraction one approached 0 and 2 people said it approaches 1. Anyone remember the exact wording so that we can check for sure?</p>

<p>I don’t agree for the fraction one. It was the two variables * (2/3)(3/4). The variable part gets closer to one, which, multiplied by (2/3)(3/4) = 0.5</p>

<p>The fractions question was 1 b/c you had to do both variables each time.</p>

<p>i think u have the slope point problem wrong. are you talking about the one where the slope is 4/5 and you have to find another point where (a,b) could be on the line. and if so the answer was (5a,4b) i think</p>

<p>The question about tan of an angle, was it that the tan of the angle > 0?</p>

<p>@cjr right, but it had “…” in between meaning you were multiplying more than just those 4 fractions</p>

<p>anyone remember the question that was like what is the next number in the sequence. It was early on in the test</p>

<p>does anyone remember the one with the solving system of equations? there were 2 equations with something like “y=3x+7” and the 2 equations were ontop of each other, surrounded by a bracket on the left. The answer choices were 2,3,4,5,6, i think</p>

<p>The geometric sequence? I think it was going by multiples of -4/3. So it was something/27.</p>

<p>The fraction approached 0, if you weren’t sure you could’ve done the next five/six terms of the sequence to see clearly</p>

<p>Vob…the early on one was x =2 if thats what you mean.</p>

<p>The dice problem was 1/4. The reason being that there is a 1/2 chance for the first dice to be 6 and a 1/2 chance for the second dice being 1 so you multiply both together, getting 1/4.</p>

<p>bornagain, not it’s not. there are 4 possibilities 6,1; 1,6; 6,6; or 1,1 … 2/4 or 1/2 equals 7</p>

<p>Hopeful,
The question was something like you had a geometric series:
12, -4, 4/3, -4/9…
You had to figure out the next number in the series. I believe it was 4/27.</p>