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Determine algebraically the vertices of Triangle formed by the lines 2 x minus y is equals to 2 x minus 3 Y is equals to 9 and y-axis?
Most Upvoted Answer
Determine algebraically the vertices of Triangle formed by the lines 2...
The given equations of the sides of triangle are,
2x - y = 9 , 2x - 3y = 9 , x = 0 (y-axis)
The vertices are obtained by solving the equations two at a time

Solving equations (1) and (2):
2x - y = 2x - 3y = 9
=> 2y = 0 (or) y = 0
=> x = 9/2

Solving (1) and (3):
2x - y = 9 and x = 0
=> y = -9

Solving (2) and (3):
2x - 3y = 9 and x = 0
=> y =9/-3 = -3

Therefore the vertices are A(9/2,0), B(0,-9) and C(0,-3)
Community Answer
Determine algebraically the vertices of Triangle formed by the lines 2...
Problem: Determine algebraically the vertices of Triangle formed by the lines 2 x minus y is equals to 2 x minus 3 Y is equals to 9 and y-axis?

Solution:

Step 1: Find the intersection points of the given lines.

We have two equations:

2 x - y = 9 ...(1)

2 x - 3 y = 9 ...(2)

To find the intersection of these two lines, we need to solve these equations simultaneously.

Subtracting Equation (1) from Equation (2), we get:

-2y = 0

y = 0

Substituting y = 0 in Equation (1), we get:

2x - 0 = 9

x = 4.5

So, the first intersection point is (4.5, 0).

Substituting y = 0 in Equation (2), we get:

2x - 3(0) = 9

x = 4.5

So, the second intersection point is also (4.5, 0).

Step 2: Find the third vertex of the triangle.

The third vertex lies on the y-axis. Therefore, its x-coordinate is zero.

Substituting x = 0 in Equation (1), we get:

2(0) - y = 9

y = -9

So, the third vertex is (0, -9).

Step 3: Plot the vertices and draw the triangle.

The three vertices of the triangle are:

(4.5, 0), (4.5, 0), and (0, -9)

Plotting these points on the graph and drawing a line to connect them, we get the triangle.

The vertices of the triangle are:

(4.5, 0), (4.5, 0), and (0, -9)

Note: The two vertices (4.5, 0) are the same point, so the triangle is actually a straight line.
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