How do you solve the inequality #-x^2 - x + 6 <0#?
1 Answer
May 12, 2018
Explanation:
#"factor the quadratic"#
#-(x^2+x-6)<0#
#rArr-(x+3)(x-2)<0#
#"find the zeros by solving"#
#(x+3)(x-2)=0#
#rArrx=-3" or "x=2#
#"since the coefficient of "x^2" term "<0rArrnnn#
#rArrx< -3" or "x>2#
graph{-x^2-x+6 [-10, 10, -5, 5]}
