SOLUTION: When graphing a linear inequality, how do you know if the inequality represents the area above or below the line and when is the line itself included or not included in the solutio
Algebra.Com
Question 29624: When graphing a linear inequality, how do you know if the inequality represents the area above or below the line and when is the line itself included or not included in the solution?
Answer by Cintchr(481) (Show Source): You can put this solution on YOUR website!
When working open and closed half planes (shaded sections), chose a point NOT on the line. I like using (0,0). plug it into the equation. For Example ...
if we use (0,0) we get
this is a true statement so we shade the side of the line that (0,0) is on.
If it is a false statement ... shade the other side.
RELATED QUESTIONS
When graphing a linear inequality, how do you know if the inequality represents the area... (answered by rapaljer)
When graphing a linear inequality, how do you know if the inequality represents the area... (answered by Earlsdon)
When graphing a linear inequality, how do you know if the inequality represents the area... (answered by rapaljer)
When graphing a linear inequality, how do you know if the inequality represents the area... (answered by marcsam823)
When graphing a linear inequality how do you know if the inequality represents the area... (answered by mananth)
(3) When graphing a linear inequality, how do you know if the inequality represents the... (answered by Theo)
1.) when solving a linear inequality, why do you always solve for y?
2.) when graphing (answered by longjonsilver)
one question please
when graphing a linear inequality how do we know if the inequality... (answered by ilana)
When graphing a linear inequality, how do you know if the inequality represents the area... (answered by stanbon)