SOLUTION: I hav used the quadratic formular to find the x-intercepts of y=x^2+2x-5 to be left with x=-1-sqrt(6) and x=-1+sqrt(6) and now need to find the distance between them which is the

Question 1028747: I hav used the quadratic formular to find the x-intercepts of y=x^2+2x-5
to be left with x=-1-sqrt(6) and x=-1+sqrt(6)
and now need to find the distance between them which is the part I'm stuck on.
Found 2 solutions by Alan3354, rothauserc:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
I hav used the quadratic formular to find the x-intercepts of y=x^2+2x-5
to be left with x=-1-sqrt(6) and x=-1+sqrt(6)
and now need to find the distance between them which is the part I'm stuck on.
--------------
Since they're both on the x-axis, it's
-1+sqrt(6) - (-1-sqrt(6))
= 2sqrt(6)

Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
The x-intercepts are two points on the x-axis
:
(-1-sqrt(6), 0) and (-1+sqrt(6), 0)
:
distance between them = -1+sqrt(6) -(-1-sqrt(6)) =
:
-1+sqrt(6) +1 +sqrt(6) =
:
************
2 * sqrt(6)
************
:
RELATED QUESTIONS
Find the real solutions of the equation. (5x^2 - 6)^(1/4) = x I found x to be... (answered by Theo,MathTherapy)
This is an expression involving square roots using the FOIL method. (sqrt... (answered by Fombitz)
Find the real solutions of each equation. Please help me solve this equation... (answered by Fombitz)
1.) The solution to sqrt 2x+3 - sqrt x-1=1 is x=3? true or false 2.) The solution to... (answered by ikleyn)
Hello. Please help me solve this problem: I need to find the simplest radical form and... (answered by Alan3354)
Use the given information to find cos(x/2), sin(x/2), and tan(x/2): tan x = 2, pi < x <... (answered by lwsshak3)
Use any method to solve the nonlinear system. (Order your answers from smallest to... (answered by josgarithmetic,MathLover1,ikleyn)
i need some help with these i am trying to solve these by quadratic equation formula and... (answered by MathLover1)
I previously asked this question and got this solution (after question). But I would... (answered by josgarithmetic,KMST)