Math Problem Statement
Which graph represents the equation y - 6 = -(x - 4)?
Solution
The equation given is , which can be rearranged into slope-intercept form to better analyze which graph represents it.
Step 1: Simplify the given equation
Start with the original equation:
Distribute the negative sign on the right-hand side:
Now, add 6 to both sides to isolate :
Simplify:
Step 2: Identify the slope and intercept
- The slope () is , meaning the line slopes downward at a 45° angle.
- The y-intercept () is 10, meaning the line crosses the y-axis at .
Step 3: Match with the graph
We are looking for a graph with a line that:
- Starts at on the y-axis.
- Has a slope of , meaning for every 1 unit increase in , the value of decreases by 1 unit.
Looking at the graph you provided, the top graph seems to match the description:
- It crosses the y-axis at .
- The line slopes downward with a slope of .
Thus, the top graph represents the equation .
Would you like more details on this process? Here are some related questions:
- What is the process of converting an equation to slope-intercept form?
- How do you calculate the slope from a graph?
- Can you explain how transformations (translations and reflections) affect the graph of a line?
- How do negative slopes differ from positive slopes in visual terms?
- How does the y-intercept influence where a line crosses the y-axis?
Tip: Always try to simplify an equation to its slope-intercept form for easier graphing!
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Graphing
Formulas
Slope-intercept form y = mx + b
Theorems
Graphing linear equations
Suitable Grade Level
Grades 7-10