Math Problem Statement
2x+3y=6
Solution
The given equation is a linear equation in two variables ( and ). Let’s analyze and solve for different scenarios:
1. Solving for in terms of :
Subtract from both sides: Divide through by 3:
2. Solving for in terms of :
Subtract from both sides: Divide through by 2:
3. Finding intercepts:
-
-intercept: Set : So, the -intercept is .
-
-intercept: Set : So, the -intercept is .
4. Graph of the Equation:
The equation represents a straight line. Using the intercepts and , we can draw the line on a Cartesian plane.
5. General Observations:
This equation represents a family of solutions that can be written as pairs satisfying the equation. For example:
- If , .
- If , .
- If , substitute into : So, is also a solution.
Do you want further details, such as graphing this equation or exploring specific solutions?
Expanding Your Understanding:
- What are the solutions if this equation is paired with ?
- How does this equation change if transformed into slope-intercept form ()?
- What is the slope of this line, and what does it represent geometrically?
- How do you test whether a point (e.g., ) satisfies this equation?
- How would this equation change if it were written in standard form with ?
Tip: Always check intercepts first when graphing a linear equation—they provide a quick way to draw the line!
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Math Problem Analysis
Mathematical Concepts
Linear Equations
Algebra
Coordinate Geometry
Formulas
Standard form of a linear equation: Ax + By = C
Slope-intercept form: y = mx + b
Finding intercepts: x-intercept when y = 0, y-intercept when x = 0
Theorems
Intercept theorem for linear equations
Properties of lines in Cartesian planes
Suitable Grade Level
Grades 6-8