asked 189k views
5 votes
What is the solution for the system of linear equations shown in the graph?

a coordinate grid with one line that passes through the points 0 comma 0 and 1 comma 3 and another line that passes through the points 0 comma 2 and 1 comma 1

negative one half comma one half
one half comma three halves
three halves comma one half
three halves comma three halves

asked
User Amjad
by
8.0k points

1 Answer

5 votes

To find the solution for the system of linear equations shown in the graph, we need to find the point of intersection of the two lines.

The first line passes through the points (0,0) and (1,3). We can find the equation of this line using the slope-intercept form:

y = mx + b

where m is the slope and b is the y-intercept.

The slope of the line can be found using the two given points:

m = (y2 - y1) / (x2 - x1)

m = (3 - 0) / (1 - 0)

m = 3/1

m = 3

The y-intercept of the line is (0,0), so b = 0.

Therefore, the equation of the first line is:

y = 3x

The second line passes through the points (0,2) and (1,1). We can find the equation of this line using the slope-intercept form:

y = mx + b

where m is the slope and b is the y-intercept.

The slope of the line can be found using the two given points:

m = (y2 - y1) / (x2 - x1)

m = (1 - 2) / (1 - 0)

m = -1/1

m = -1

The y-intercept of the line is (0,2), so b = 2.

Therefore, the equation of the second line is:

y = -x + 2

To find the point of intersection of these two lines, we can set their equations equal to each other:

3x = -x + 2

Solving for x, we get:

4x = 2

x = 1/2

Substituting x=1/2 into either equation, we can find y:

y = 3x

y = 3(1/2)

y = 3/2

Therefore, the point of intersection of the two lines is (1/2, 3/2).

So, the solution for the system of linear equations shown in the graph is:

x = 1/2

y = 3/2

Therefore, the correct response is:

one half comma three halves

answered
User Kodkod
by
7.7k points

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