College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 1, Equations and Graphs - Chapter 1 Review - Concept Check - Page 168: 11


i) You could factor and find the zero for each factor of the quadratic ii) Use the quadratic formula iii)Complete the square

Work Step by Step

EX) $x^2+4x+3=0$ i) $(x+1)(x+3)=0$ ii) $x= \frac{-3 \pm \sqrt{4^2-4*1*3}}{2*1}$ iii) $x^2+4x+4=(x+2)^2=1$
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