Math Problem Statement
Solution
Let's analyze the given problem carefully.
Given Information:
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Student 1: Represents the linear function as an equation:
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Student 2: Represents the function in a table with values:
\hline x & f(x) \\ \hline -2 & -12 \\ -1 & -9 \\ 0 & -6 \\ 1 & -3 \\ 2 & 0 \\ \hline \end{array}$$
Solution Analysis:
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Finding the Intercepts:
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Equation from Student 1 ():
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Y-intercept:
The y-intercept occurs when : So, the y-intercept is at . -
X-intercept:
The x-intercept occurs when : So, the x-intercept is at .
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Table from Student 2:
- From the table, when , . This confirms that the x-intercept is at .
- When , . This confirms that the y-intercept is at .
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Evaluating the Statements:
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Option A:
"The equation of reveals an -intercept at , while the table for reveals a -intercept at ."This statement is true based on the calculations and values presented above.
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Option B, C, and D:
All these options are false because they either mix up the intercepts or give incorrect points for the intercepts.
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Conclusion:
The correct answer is:
- Option A: The equation of reveals an -intercept at , while the table for reveals a -intercept at .
Would you like me to explain anything in more detail, or do you have any questions?
Here are 5 related questions to expand your understanding:
- How do you determine the x-intercept of a linear equation given in standard form?
- What is the slope of the function , and how can it be interpreted?
- How would the graph of look, and where would the intercepts be plotted?
- What is the difference between x-intercepts and y-intercepts in any function?
- How can you verify the intercepts of a function if only given its table of values?
Tip: To determine intercepts, set one variable to zero and solve for the other—this method works for both linear and non-linear functions.
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Math Problem Analysis
Mathematical Concepts
Linear Functions
Intercepts
Algebra
Formulas
Slope-intercept form: f(x) = mx + b
Theorems
The x-intercept is found by setting f(x) = 0
The y-intercept is found by setting x = 0
Suitable Grade Level
Grades 7-9