Math Problem Statement
Which is the graph of y = -x + 2?
Solution
The equation provided is , which has a slope of and a y-intercept of .
Steps to find the correct graph:
- Y-Intercept: The graph should cross the y-axis at .
- Slope: Since the slope is , the line will decrease by unit on the y-axis for every unit increase on the x-axis, creating a downward diagonal line from left to right.
Identifying the Correct Option
- Look for the graph with a line that intercepts the y-axis at and has a negative slope, moving downward as it goes from left to right.
- Based on these characteristics, Option C is the correct answer, as it matches the line .
Would you like more details on the concept of slopes and intercepts?
Here are some related questions to deepen your understanding:
- How does the slope affect the orientation of a line on a graph?
- What happens to the graph of if the slope changes to ?
- How would the graph look if the y-intercept was changed to instead of ?
- Can you identify the line equation if only the graph is given without any labels?
- How do positive and negative slopes visually differ on a graph?
Tip: To quickly identify the slope and intercept in an equation, remember that in the form , is the slope, and is the y-intercept.
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Graphing
Formulas
y = mx + b (Slope-Intercept Form)
Theorems
-
Suitable Grade Level
Grade 12