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Question # 00007399
Subject: Mathematics
Due on: 02/27/2014
Posted On: 01/28/2014 10:07 AM

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Question

1.Solve the expression: 5(B – 4) = 10

2.Solve the following equation for the variable L : p = 2L + 2w

3.Complete the following table for the equation y = x-3

X Y
-1
0
4

4.Find the slope-intercept equation of the line passing through (1,2) with a slope of m = 3?

5.Draw the graph of the following linear function and give the domain and range: f(x) = - ½x+5

6.Solve the following equation: | x| = 3

7.Evaluate the following expression when x = 3 and y = 2: 2xy – x² y

8.Completely factor the following expression: 16x^4 – 81y^4

9.Perform the following division: (y² + 10y + 21 )÷ (y + 7)

10.Solve the inequality below and write the solutions in interval notation: |2m + 3| < 13

11.Write the numeral 0.03685 in scientific notation

12. Given f(x) = -6x-1, find f(2)

13. Write the equation of the line with a slope of 2 and passing through the point (-5, 3).

14. Solve the system of equations given below :

X + 3z=12

-x-2y+z=10

3x+5y+2z= -7

15. Do the following lines intersect? Yes or no, together with the point of intersection, if any exixts.

5x+8y = -5

-x -1.6y = 14

16. Compute the determinant :

4 0 -1

3 6 -2

-2 5 1

17. Compute the distance between the two points (1-?2 , -1) and (2+?2, 4)

18. Rationalize the denominator of 2?7

X+?7

19. At what x values does the parabola y= x² - 5x +4 intersect at the y axis?

20. The surface area (A) of a sphere with radius (R) is given by A = 4 ?r². Solve this formula for R.

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#### maths!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! solver ques

Tutorial # 00007104
Posted On: 01/28/2014 10:08 AM
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Tutorial Preview …value xx the xxxxxxxxxxx Since the xxxxx is given xx m x xx the xxxxxxxx for this xxxx has the xxxxx y x xx + x Substituting in xxx given point xxx 2) xxxxxx x = xxxx + b x = 3 x b xxxxxxx xxx b xxxxxx b = x – 3 x = xx xxxxxxxxxxxx this xxxxx of b xxxx the equation xxxxxx y x xx – x Solution: y x 2x – x 5 xxxx xxx graph xx the following xxxxxx function and xxxx the xxxxxx xxx range: xxxx = - xxxxx This line xxx a xxxxx xx -1/2, xxx a y-intercept xx 5 Plot x point xx xxx 5) xxxx move one xxxx to the xxxxxx and x xxxxx down, xxx plot a xxxxxx point at xxx 3) xxx xxxxx of xxx line looks xxxx this: The xxxxxx of xxx xxxxxxxx is xxx real numbers xx interval notation, xxx domain xx xxxx ?) xxx range of xxx function is xxxx all xxxx xxxxxxx In xxxxxxxx notation, the xxxxx is (-?, xx 6 xxxxx xxx following xxxxxxxxx | x| x 3 By xxxxxxxxxxx the xxxxxxxxx xxx x x 3 and x = -3 x Evaluate xxx xxxxxxxxx expression xxxx x = x and y x 2: xxx xxx x² x Substituting x x 3 and x = x xxxx the xxxxxxxxxx gives: Solution: xx 8 Completely xxxxxx the xxxxxxxxx xxxxxxxxxxx 16x^4 xxx 81y^4 This xx the difference xx two xxxxxxx xxx…
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AlgebraSolutions.doc (631 KB)
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