SOLUTION: the sum of a positive number and its square is 19. find the number to the nearest hundredth
Algebra.Com
Question 932460: the sum of a positive number and its square is 19. find the number to the nearest hundredth
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
x+x^2=19
x^2+x-19=0
a= 1 , b= 1 , c= -19
b^2-4ac= 1 + 76
b^2-4ac= 77
x1=( -1 + 8.77 )/ 2
x1= 3.89
x2=( -1 -8.77 ) / 2
x2= -4.89
RELATED QUESTIONS
the sum of a positive number and twice its square is 6.72. find the number (answered by Alan3354)
when a positive number is added to its square, the sum is 240. find the... (answered by robertb)
when a positive number is added to its square,the sum is 240.find the number
(answered by josmiceli)
sum of the number and its positive square root is 6/25. find the... (answered by oscargut)
the sum of positive number and its square is 77.Find the... (answered by josmiceli)
the sum of positive number and its square is 72.Find the... (answered by tommyt3rd,Alan3354)
The sum of a positive number and its square is 12. What is the number? (answered by jim_thompson5910)
The sum of a positive real number and six times its reciprocal is equal to its cube.... (answered by mananth)
find the two positive integers required if
the sum of a positive integer and its square... (answered by tommyt3rd)