Graphs Of Two Variables Linear Inequality Set
The two linear inequalities of the two variables are inequalities containing two variables such as x and y. The set of inequalities settlement can be presented in the cartisius field. The forms of linear inequality are as follows:
ax +by < c
ax + by < c
ax + by > c
ax + by > c
How to Complete The Two Variables Linear Inequality Set
Here are the steps taken to complete the set of two linear inequality sets:
Example:
Find the settling region of 2x + y < 4
Answer:
For how to find the intersection of the graph with the x-axis and y-axis can be searched by creating the following table:
Then the intersection points with the x and y axes are (2, 0) and (0, 4)
Take the point P (0,0) as the test point at 2x + y < 4 and obtain 2.0 + 0 < 4.
because 2.0 + 0 < 4, then the area containing P is the settlement region.
Then the graph becomes:
The non-shaded area is the settlement region of 2x + y < 4.
Similarly this article.
Sorry if there is a wrong word.
The end of word wassalamualaikum wr. wb
Referensi :
ax +by < c
ax + by < c
ax + by > c
ax + by > c
How to Complete The Two Variables Linear Inequality Set
Here are the steps taken to complete the set of two linear inequality sets:
- Draw ax + by = c line of cartesius by searching. Cut points of graph with x axis (y = 0) and y axis (x = 0).
- Take any point P (x1 y1) that is not located on the line, then calculated the value of ax1 + by1. The value of ax1 + by1 is compared to the value of c.
- The settlement region for inequality ax + by < c is determined as follows:
If ax1 + by1 < c, then the region containing P is the settlement region.
f ax1 + by1 > c, then the region containing P is not a settlement region. - The settlement region for inequality ax + by > c is determined as follows:
If ax1 + by1 > c, then the region containing P is the settlement region.
If ax1 + by1 < c, then the region containing point P is not a settlement region. - Areas that are not settlement are given hatching, so the settlement area is an area with no shade. This is helpful when determining areas that meet some inequalities.
- Settlement areas for inequalities containing equal signals are drawn with full lines, whereas inequality settlements that do not contain an equal sign are in the figure with dashed lines.
Example:
Find the settling region of 2x + y < 4
Answer:
For how to find the intersection of the graph with the x-axis and y-axis can be searched by creating the following table:
Then the intersection points with the x and y axes are (2, 0) and (0, 4)
Take the point P (0,0) as the test point at 2x + y < 4 and obtain 2.0 + 0 < 4.
because 2.0 + 0 < 4, then the area containing P is the settlement region.
Then the graph becomes:
The non-shaded area is the settlement region of 2x + y < 4.
Similarly this article.
Sorry if there is a wrong word.
The end of word wassalamualaikum wr. wb
Referensi :
- To'Ali's book math group accounting and sales
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