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DESPERATE! please don't answer unless your sure..thanks you:) 1.solve x^2+14x-4=0 2.What is the vertex and the line of symetry for f(x)=1/2 (x+4)^2 +6? 3.Use FOIL method to find the product. (5x^5 -3)(x^6 -8) 4.Factor 24-10a+a^2 5.Find a polynomial for the perimeter and for the area. The length is x+3, the width is x. 6.Solve (3/x) = (7/x) -(1/3) 7.Solve sqrt of 9x+81 = x+5 8.Divide (20b^3+17b^2+22b+48) / (4b+5) 9.Rewrite the expession with positive exponents. (4xy)^-7/9 10.Simplify by removing factors of 1. (5n^2 +5n)/ (30n^2 +25n) 11. f(x)=-2x^2 +2x+1 What is the x coordinate of the vertex? What is the y coordinate? 12.Solve. (x+9)(x-15)(x+7)>0 The solution set is? 13.Multiply (w+ 1/5)(w+ 1/2) 14. Rationalize the denominator.Assume that all expressions under radicals represent positive #'s. (sqrt of x -sqrt of y)/ (sqrt of x + sqrt of y) 15.Factor completely 16v^2 -49 16.Use the quadratic formula to solve the equation. 2x^2 -x=-4 The solution set is? 17.Multiply (4x+1)(2x^2 +9x+5)

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