Math Problem Statement
y=-3x+4 , -6x-2y+-8
Solution
You provided two expressions: one in slope-intercept form and the other is an equation to be simplified. Let's clarify each:
-
First equation:
- This is already in slope-intercept form, with slope and y-intercept .
-
Second expression:
- We can solve this equation by isolating in terms of .
Step 1: Simplify the second equation
Start with:
Move and to the other side:
Now divide everything by :
Step 2: Compare the two equations
Both equations are exactly the same:
This means that the second equation is just a rearranged version of the first, so the two lines are actually the same line.
Conclusion:
Both equations represent the same line, meaning they are coincident (overlapping). There is no distinct system of two lines here, as both equations describe the same relationship between and .
Would you like more details or have any questions?
Here are 5 related questions to expand the topic:
- How do you find the intersection point of two distinct linear equations?
- What is the geometric interpretation of two coincident lines?
- How do you graph linear equations in slope-intercept form?
- How do you convert between standard form and slope-intercept form of a line?
- What does it mean when two lines are parallel versus when they coincide?
Tip: When solving systems of linear equations, always compare slopes first. Identical slopes can imply parallel or coincident lines.
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Slope-Intercept Form
System of Equations
Formulas
Slope-Intercept Form: y = mx + b
Standard Form: Ax + By + C = 0
Theorems
Coincident Lines Theorem
Suitable Grade Level
Grades 8-10