Grade 9Algebra
If one root of x2+ax+8=0is 4 and the equation x2+ax+b=0 has equal roots, then the value of b=
If one root of x2+ax+8=0is 4 and the equation x2+ax+b=0 has equal roots, then the value of b=
1 Answer
Deepak Kumar Shringi
as one root of first equation is 4 so putx=4 in first eqaution you will get
a=-6 now as equation (II) as equal roots D=0 so a2-4b=0 put a=-6 so b=9
a=-6 now as equation (II) as equal roots D=0 so a2-4b=0 put a=-6 so b=9
Other Related Questions on algebra
How do you write “the product of 18 and q” as an algebraic expression?
How do you write “the product of 18 and q” as an algebraic expression?
algebra
Last Activity: 2 Years ago