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June 2010 Integrated Algebra Regents 6 – 10

June 19, 2010 pm30 2:59 pm

6. (3) \frac{3}{8}
There is a slight wording problem that shouldn’t have bothered anyone. Call the chance 15 out of 40 total, express it as a fraction, and reduce to lowest terms.

7. (3) 2x + y = 5
Plug x = 1 and y = 3 into each equation. Only choice three gives a true equality.

8. (3) 3\sqrt{2}
Simplify \sqrt{72} \rightarrow \sqrt{(36)(2)} \rightarrow \sqrt{36}\sqrt{2} \rightarrow 6\sqrt{2} and then subtract.

9. (2) \frac{14}{48}
Tangent is opposite over adjacent. Better, if the angle is at the origin (something like A = (0,0), B = (48,0), and C = (48,14)), then the tangent is the slope of the hypotenuse. You do probably want to sketch the triangle.

10. (1) (1, -4)
Plot each point, see which falls in the doubly-shaded region.

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4 Comments leave one →
  1. Anonymous permalink
    June 19, 2010 pm30 3:45 pm 3:45 pm

    Do the answers on the exam then scan the pages. it will be faster.

  2. anomynus permalink
    August 17, 2010 pm31 1:57 pm 1:57 pm

    ho exactly do I do number ne its very confusing and almost positive I got it wrong on my exam….????

  3. anomynus permalink
    August 17, 2010 pm31 1:58 pm 1:58 pm

    sorry I meant numbr nine …. not ne

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