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const2013 [10]
2 years ago
14

Graph the system of inequalities. Then use your graph to identify the point that represents a solution to the system.

Mathematics
1 answer:
FrozenT [24]2 years ago
5 0

Given:

The system of inequalities:

x>3

y

To find:

The point that represents a solution to the system by using the graph.

Solution:

We have,

x>3

y

The related equations of these inequalities are:

x=3

y=2x-5

The line x=3 is a vertical line that intersect the x-axis at 3.

The table of values for y=2x-5 is:

x         y

0       -5

1        -3

Plot (0,-5) and (1,-3) on a coordinate plan and connect them by a straight line.

The boundary lines are dotted lines because the points on the lines are not included in the solution set.

Check the inequalities for (0,0).

First inequality: 0>3           ( False)

Second inequality: 0

                               0     (False)

Both inequalities are false for (0,0). It means the shaded region of the lines is in the opposite direction of (0,0).

Plot the shaded region and the points (-3, -1), (1, 11), (4, -1), (5, 6) as shown in the below graph.

From the below graph, it is clear that the point (4,-1) is the only point lies in the common shaded region. So, (4,-1) represents a solution to the system.

Therefore, the correct option is C.

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Answer:

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General Formulas and Concepts:

<u>Pre-Algebra I</u>

  • Order of Operations: BPEMDAS

<u>Algebra I</u>

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Step-by-step explanation:

<u>Step 1: Define</u>

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<u>Step 2: Find midpoint</u>

  1. Substitute:                    (\frac{9-1}{2}, \frac{3-9}{2} )
  2. Subtract:                       (\frac{8}{2}, \frac{-6}{2} )
  3. Divide:                          (4, -3 )
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