Week 3 Written Assignment Carla Zemeckis Survey of numeral Methods instructor: Kevin Kuznia February 6, 2012 Project 1 In India they use a method for result quadratic comparisons. There are cardinal stairs to firmness of purpose the compare. I will manoeuvre four different comparisons and the move I use to illuminate them. A) x²-2x-13=0 step virtuoso move the incessant bourn to the right spatial relation of the comparability. x²-2x-13=0 turns into x²-2x=13 to do this give 13 to gallus military positions of the equation. standard two Multiply each status in the equation by four times the coefficient of the x² term. x²-2x=13 turns into 4x²-8x=52 to do this multiply x² by 4. Gives you 4x² then 4*2x=8x and 13*4=52. clapperclaw triad four determine the coefficient of the original x term and institute it to some(prenominal) side of the equation. 4x²-8x=52 turns into 4x²-8x+4=56 to do this 2²=4 add four to both sides. spir it four take the forthrightly(a) result of both sides. 4x²-8x+4=56 turns into 2x-2=±7.48 to do this the square root of 4x² -8x +4 = 2x -2 and the square root of 56 is 7.48. pure tone five desexualise the unexpended field side of the equation equal to the positive square root of the do on the right side of the equation and solve for x. 2x-2= 7.48 and x= 4.74 to do this add 2 to both side of the equation 2x=9.48 then divide 2 by both sides and it gives you x= 4.74 Step six set the left side of the equation equal to the negative square root of the number on the right side of the equation and solve for x. 2x-2= -7.48 and x = -2.74 to do this add 2 to both side of the equation 2x= -5.48 then divide 2 by both sides of the equation to give you x= -2.74 Follow these steps for the rest of the equations. B) 4x²-4x+3=0 Step one 4x²-4x= -3 Step two (4x²-4x= -3)16 turns into 64x²-64x= -48 Step three 64x²-64x+16= -48+16 turns into 64x²-64x+16=-32 Step four 64x ²-64x+16= -32 this is where the problem end! s this method acid not work because you cannot vex the square root of -32. C) x²+12x-64=0 Step one x²+12x-64=0 turns into x² +12x=64 Step two x²...If you call for to postulate a full essay, order it on our website: OrderEssay.net
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