Math Problem Statement
Solution
To solve the problem and determine the correct graph, we need to analyze the equation of the linear function provided:
The equation is:
Step 1: Rewrite in slope-intercept form
Solve for :
So the slope is and the y-intercept is .
Step 2: Find the x- and y-intercepts
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Y-intercept: Set : So the y-intercept is .
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X-intercept: Set : So the x-intercept is .
Step 3: Match the graph
The correct graph must have the points and . Upon inspection of the options:
- The first graph shows and — incorrect.
- The second graph shows and — correct.
- The third graph does not match either intercept.
Answer:
The correct choice is the second graph with intercepts and .
Let me know if you want additional details or have questions! Here are 5 related questions to consider:
- What does the slope of a line represent geometrically?
- How can you verify graphically if a point lies on a given line?
- Why is slope-intercept form useful for graphing?
- What steps are involved in converting a standard form equation to slope-intercept form?
- How would you graph this equation without calculating intercepts?
Tip: Always confirm the intercepts and slope visually on the graph for accuracy!
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Math Problem Analysis
Mathematical Concepts
Linear Equations
Slope-Intercept Form
Intercepts
Graphing Linear Functions
Formulas
Standard form of a linear equation: Ax + By + C = 0
Slope-intercept form: y = mx + b
Theorems
Intercept Theorem
Slope Theorem
Suitable Grade Level
Grades 8-10