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lianna [129]
3 years ago
13

Which system of linear inequalities is represented by the graph?

Mathematics
2 answers:
Zina [86]3 years ago
8 0

Answer:

The graph represent the system of linear inequalities y>\frac{1}{3}(x)+3 and 3x-y>2.

Step-by-step explanation:

From the given given graph it is clear that the red line passing through the point (0,3) and (-3,2). The black line passing through the points (0,-2) and (1,1).

If a line passing through two points, then the equation of line is

y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)

The related equation of red line is

y-3=\frac{2-3}{-3}(x-0)

y-3=\frac{1}{3}(x)

y=\frac{1}{3}(x)+3

The red line is dotted and shaded potion is upper side of the line, therefore the sign of inequality is >.

y>\frac{1}{3}(x)+3          .... (1)

The related equation of black line is

y-(-2)=\frac{1+2}{1-0}(x-0)

y+2=3x

The black line is dotted and shaded potion is lower side of the line, therefore the sign of inequality is <.

y+2

2

3x-y>2          .... (2)

Therefore the graph represent the system of linear inequalities y>\frac{1}{3}(x)+3 and 3x-y>2.

MrRa [10]3 years ago
5 0

Im not good in math and this is my first question, my best guess is D

I will investigate tommorow this problem a little bit more... <3

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