SOLUTION: Find all the zeros of the trinomial k(x)=x^2+10x-200. Thanks A. (-10,0) , (20,0) B. (-5, -255), (0, -255) C. (0,10), (0,-20) D. (10,0), (-20,0).

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Find all the zeros of the trinomial k(x)=x^2+10x-200. Thanks A. (-10,0) , (20,0) B. (-5, -255), (0, -255) C. (0,10), (0,-20) D. (10,0), (-20,0).      Log On


   

Question 998570: Find all the zeros of the trinomial k(x)=x^2+10x-200. Thanks
A. (-10,0) , (20,0)
B. (-5, -255), (0, -255)
C. (0,10), (0,-20)
D. (10,0), (-20,0).
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
If we factor
k(x)=x^2+10x-200
and set it equal to zero we get
(x + 20)(x - 10) = 0
so that zeroes exist at
x = -20 and x = 10
Choice D.