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lilroach4
18.03.2021 •
Mathematics
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Ответ:
what did he say
I don't understand what he is saying
Ответ:
When the inequality sign is < / > (less than/greater than), the line is a dotted line.
When the inequality sign is ≤ / ≥ (less than or equal to/greater than or equal to), the line is a solid line.
If "y >" (y is greater than), the shaded area is above the line.
If "y < " (y is less than), the shaded area is below the line.
[points in the shaded area are solutions for the inequality. If the point is on the line and the line is ≤ / ≥, it is a solution]
- The point outside of the blue shaded area is not a solution because it has to be in the shaded area.
- The point on the line is not a solution because the line is a dotted line, which means that the point can't be equal to the points on the line.
- The point inside the blue shaded area is a solution.