SOLUTION: Help PLEASE & Thank You! Solve each inequality analytically. Support your answers graphically. Give exact values for endpoints. (a) x^2 + 4x + 3 greater than or equal

Algebra ->  Quadratic-relations-and-conic-sections -> SOLUTION: Help PLEASE & Thank You! Solve each inequality analytically. Support your answers graphically. Give exact values for endpoints. (a) x^2 + 4x + 3 greater than or equal       Log On


   

Question 817892: Help PLEASE & Thank You!
Solve each inequality analytically. Support your answers graphically. Give exact values for endpoints.
(a) x^2 + 4x + 3 greater than or equal to zero
(b) x^2 + 4x + 3 less than zero



Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

 x^2 + 4x + 3  0r (x+2)^2 - 1  V(-2,-1) Opening Upward

(x+3)(x+1) > 0  when  -3 > x >-1

(x+3)(x+1) < 0  when  -3 > x <-1