SOLUTION: Pls help in solving: if A and B are roots of the equation : {{{ 2x^2 + 5x + K=0}}} where K is constant and A - 2B=3 find the value of B and K
Algebra.Com
Question 978196: Pls help in solving: if A and B are roots of the equation : where K is constant and A - 2B=3 find the value of B and K
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
If and are the roots,
---------------------------
---------------------
(1)
(2)
(3)
-----------------
(1)
and
(3)
(3)
(3)
(3)
and
(3)
(3)
(3)
and
(2)
(2)
(2)
(2)
--------------------
-----------------
check:
Hope I got it!
RELATED QUESTIONS
if a and B are the roots of a quadratic equation 2x^2+5x+k=0 where k is constant
and the (answered by Edwin McCravy)
Given that the equation {{{kx^2+12x+k=0}}} where k is a positive constant and has equal... (answered by lynnlo,vleith)
The equation 2(x^2+12)+kx=0
where k <0 has roots a and b where a-b=4.Find the value of... (answered by J2R2R)
1(a): If k=(x-1)²/x²+4,where k is a real number, show clearly that (k-1)x²+2x+(4k-1)=0
(answered by solver91311)
Find the value of k in x^2+3x+k-1=0 if the quadratic equation has:
a) equal roots
b)... (answered by Fombitz)
1) if roots of a equation :f(x) = a(x-2)² + k, a ≠0, are A and B, |B - A|= 12 b,... (answered by Edwin McCravy,greenestamps)
Check my questions and answers.
1. Does the equation represent a direct variation? If... (answered by Alan3354)
a)What is the value of k if x=3 is a root of 2x^2 - kx - 3=0 ?
b)Determine the value(s)... (answered by richwmiller,drk)
consider the polynomial P(x)=x^3+3x^2+(3-k)x+1-k where k is a constant.
a, show that... (answered by math1239028)