Math Problem Statement
what is the area of the triangle formed by graph of x/3 + y/4 = 2 with the x and y-axes?
Solution
The equation of the line is given as:
To find the area of the triangle formed by this line with the x-axis and y-axis, we need to determine where the line intersects these axes.
Step 1: Find the x-intercept
The x-intercept occurs where . Substituting in the equation:
So, the x-intercept is .
Step 2: Find the y-intercept
The y-intercept occurs where . Substituting in the equation:
So, the y-intercept is .
Step 3: Calculate the area of the triangle
The triangle is formed by the points , , and . The formula for the area of a right triangle is:
Here, the base is 6 (the x-intercept) and the height is 8 (the y-intercept). Therefore:
Thus, the area of the triangle is 24 square units.
Would you like further details or have any questions?
Here are 5 related questions to expand the discussion:
- How do you find the intercepts of a general linear equation?
- Can this approach be used for other types of lines, like vertical or horizontal lines?
- What is the geometric meaning of the intercepts in real-life applications?
- How would the triangle's area change if the line equation had different coefficients?
- Can you explain the relationship between the slope of the line and the shape of the triangle?
Tip: For lines in the form , the x-intercept is and the y-intercept is .
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Math Problem Analysis
Mathematical Concepts
Linear Equations
Coordinate Geometry
Intercepts
Area of Triangles
Formulas
Linear equation in intercept form: x/a + y/b = 1
Area of a right triangle: (1/2) × base × height
Theorems
Intercept Theorem for Linear Equations
Suitable Grade Level
Grades 8-10
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