Posted by nithin on Friday, August 29, 2014 at 10:05am.
(what is the meaning of this question)
If the root of the equation x²8x+m=0 exceeds the other by 4 then the value of m is

math  Steve, Friday, August 29, 2014 at 11:10am
the roots are
x = (8±√(644m))/2 = 4±√(16m)
So, we have
4+√(16m) = 4√(16m) + 4
2√(16m) = 4
√(16m) = 2
16m = 4
m = 12
So, the function is
x^28x+12, and the roots are 2 and 6
Answer This Question
Related Questions
 add maths  Given that the quadratic equation is (2m+3)x^2+(4m2)x(m+1)=0.Find ...
 Math  1) Solve equation 3r+5 _____ + 2 = 2r to find the value of r? 2 A. 2 1/7 ...
 Mathfind roots  1.One root of each equation below is the same for both ...
 MATH  I have 2 questions the first I have narrowed down to 2 possible solutions...
 English (Check)  The word root vid, from the Latin "videre," means "to see." ...
 English (Check)  The word root vid, from the Latin "videre," means "to see." ...
 maths  Consider the quadratic equation m^2 x^2 + 2(2m5)x + 8 = 0 a) If 2 is a ...
 Math  Calculus  Show that the equation x^315x+c=0 has at most one root in the...
 Math  Calculus  Show that the equation x^315x+c=0 has at most one root in the...
 math  the value of a rare dime is expected to increase according to the ...
More Related Questions