michellewilliam michellewilliam
  • 03-06-2014
  • Mathematics
contestada

solve for y.try factoring first,if factoring is not possible or difficult use quadratic formula,(y2  2isabovey -10y+23=0)

Respuesta :

konrad509
konrad509 konrad509
  • 06-06-2014
[tex]y^2-10y+23=0\\ y^2-10y+25-2=0\\ (y-5)^2=2\\ |y-5|=\sqrt2\\ y-5=\sqrt 2 \vee y-5=-\sqrt2\\ y=5+\sqrt2 \vee y=5-\sqrt2 [/tex]
Answer Link

Otras preguntas

Lim[(sqrt(cos(2x))-cubicrootof(cos(x))]/arctg(x^2) when x->0
what is the GCF of 12x and 44xy
why do we use a coeficient to remove the propotionality
let f(x)=2x-6. solve f^-1(x) when x=2.
Lim[(sqrt(cos(2x))-cubicrootof(cos(x))]/arctg(x^2) when x->0
Choose the right variant 1 This book will take to years to write. A. After two years I'll write this book B. In two years time I'll have written this book C . A
If a store credit account charges 1.5% interest each month, what is the APR?
why do we use a coeficient to remove the propotionality
Ricky had 50 cookies and gave 72% of the cookies to his friend Alice. Find the number of cookies Alice receive
Is velocity related to momentum