Projects 1 and 2

# Projects 1 and 2 - X=4.74 x=-2.74 Equation 2solve:...

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Projects 1 and 2 Bethany Fargher Instructor: Layla Hedayat MAT126: Survey of Mathematical Methods July 18, 2011 This paper is organized into two different parts project one is working with equations using different steps to help you along to solve your problem to get your answer. Project two is using five different numbers to find out if you get prime or composite numbers. Equation 1: x^2-2x-13=0 Equation 2: x^2+12x-64=0 Equation 1solve: X^2-2x-13=0 X^2-2x=13 4x^2-8x=52 4x^2-8x+4=56 -2x+2=+-7.48 -2x+2=-7.48 -2x+2=7.48 -2x=-9.48 -2x=5.48

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Unformatted text preview: X=4.74 x=-2.74 Equation 2solve: X^2+12x-64=0 X^2+12x=64 4x^2+48x=256 4x^2+48x+144=256+144 4x^2+48x+144=400 9x+12=+-20 9x+12=-20 9x+12=20 9x=-32 9x=8 X=-3.55 x=0.88 Project 2 Using this equation (f(x)=x^2-x+41) I choose five numbers to plug in that equation (f(0)=0^2-0+41) 41prime number (f(2)=2^2-2+41),(f(2)=4-2+41), (f(2)=43), prime number (f(4)=4^2-4+41),(f(4)=16-4+41),(f(4)=53),prime number (f(9)=9^2-9+41),(f(9)=81-9+41), (f(9)=113),prime number (f(7)=7^2-7+41), (f(7)=49-7+41), (f(7)=83), prime number...
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## This note was uploaded on 08/24/2011 for the course ENG 225 taught by Professor Richardbair during the Spring '10 term at Ashford University.

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Projects 1 and 2 - X=4.74 x=-2.74 Equation 2solve:...

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