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# \$5.00Algebra Questions

• From Mathematics: Algebra
• Closed, but you can still post tutorials
• Due on May. 25, 2007
• Asked on May 23, 2007 at 12:21:02PM

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The questions are attached. Instructions inside the attachment. Please show work or (steps you took to get answers)

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Questions.doc (27K)

To which xdblackimage said: What is the first solution for \$2.00
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B. Factoring
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• Posted on May 23, 2007 at 12:51:45PM
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Preview: ... ues go where. For the first two problems, try and figure out values for the variables in an expression like (a x + b) (c x + d)<br><br>If you expand that out to a quadratic you get<br><br>a c x^2 + (a d + b c) x + b d<br><br>a. 16x^2 + 40x + 25 = (4x + 5)^2<br><br>How did we get this? Well, from our pattern above b d = 25, but ...

The full tutorial is about 405 words long .

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C. Aplication of Polynomials
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Preview: ... + 80<br><br>Subtracting x^2 from each side,<br>8x + 16 = 4x + 80<br><br>subtracting 4x from each side,<br>4x + 16 = 80<br><br>Subtracting 16 from each side<br>4x = 64<br><br>Dividing by 4,<br>x = 16<br><br>So the three integers are 16, 18 , and 20. Check that the sequare of 20 is 76 more than the square of 18:<br><br>18^2 = 324 <br>20^2 = 400 = 324 + 76<br><br>Check.<br><br>b. Let the width in feet be denoted as x. Then the length is x +50. If we know that the length of the diagonal of the rectangle is 250 ft ...

The full tutorial is about 482 words long .

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A. fundamental operations on polynomials
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• Posted on May 23, 2007 at 2:05:43PM
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Preview: ... 5 / 16 = 2.8125<br><br>c. If P(y) = 10y^2 + 4, Q(y) = y^3 - 5y^2 +3y + 7, then<br><br>3P(y) = 30 y^2 + 12<br><br>To find 3P(y) + Q(y) remember, just add like coefficients:<br>= (30 y^2 + 12) + y^3 - 5y^2 + 3y + 7<br>= (0 + 1)y^3 + ...

The full tutorial is about 267 words long plus attachments.

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Solutions for all of the polynomial algebra questions
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• Posted on May 23, 2007 at 8:29:38PM
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