|2x + 3| ≥ 9
then
2x+3 ≥ 9 OR -2x-3 ≥ 9
2x ≥ 6 or -2 ≥ 12
x ≥ 3 or x ≤ -6
I will leave it up to you to put that in the interval notation. We used the above notation in my days.
use interval notation to express the solution set of the inequality |2x + 3|> or equal to 9
1 answer
1 answer