QUESTION IMAGE
Question
find the slope of the line joining two points (-5, 1) and (4, -2).
-3
\frac{-1}{3}
<pre_analysis>
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</pre_analysis>
<reasoning>
Identify the coordinates of the given points
\[
(x_1, y_1) = (-5, 1),\quad (x_2, y_2) = (4, -2)
\]
Apply the slope formula
\[
m = \frac{y_2 - y_1}{x_2 - x_1}
\]
Calculate the slope value
\[
m = \frac{-2 - 1}{4 - (-5)} = \frac{-3}{9} = \frac{-1}{3}
\]
</reasoning>
<answer>
<mcq-option>-3</mcq-option>
<mcq-correct>\(\frac{-1}{3}\)</mcq-correct>
</answer>
<post_analysis>
{
"subject": "Mathematics",
"question_type": "Multiple Choice",
"knowledge_point": [
"Mathematics",
"Algebra",
"Slope of a Linear Function"
]
}
</post_analysis>
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<pre_analysis>
{
"quality": "clear",
"question_count": 1,
"skills_matched": [
"step_cot",
"multiple_choice_formatter",
"explain_then_answer",
"quick"
],
"needs_drawing": false,
"concepts_used": [
"Slope of a Linear Function"
],
"new_concepts": [],
"current_concepts": [
"Slope of a Linear Function"
]
}
</pre_analysis>
<reasoning>
Identify the coordinates of the given points
\[
(x_1, y_1) = (-5, 1),\quad (x_2, y_2) = (4, -2)
\]
Apply the slope formula
\[
m = \frac{y_2 - y_1}{x_2 - x_1}
\]
Calculate the slope value
\[
m = \frac{-2 - 1}{4 - (-5)} = \frac{-3}{9} = \frac{-1}{3}
\]
</reasoning>
<answer>
<mcq-option>-3</mcq-option>
<mcq-correct>\(\frac{-1}{3}\)</mcq-correct>
</answer>
<post_analysis>
{
"subject": "Mathematics",
"question_type": "Multiple Choice",
"knowledge_point": [
"Mathematics",
"Algebra",
"Slope of a Linear Function"
]
}
</post_analysis>