QUESTION IMAGE
Question
- simplify \\(\frac{3-4|2(-3)|}{|-3|}\\)
7
9
-9
-7
<pre_analysis>
{
"quality": "clear",
"question_count": 1,
"skills_matched": [
"step_cot",
"multiple_choice_formatter",
"explain_then_answer",
"tutor",
"mastery_adaptive_brevity"
],
"needs_drawing": false,
"concepts_used": [
"Order of Operations",
"Algebraic Simplification"
],
"new_concepts": [
"Absolute Value Evaluation"
],
"current_concepts": [
"Order of Operations",
"Algebraic Simplification",
"Absolute Value Evaluation"
]
}
</pre_analysis>
<reasoning>
Evaluate the absolute value expressions
Using the Order of Operations and Algebraic Simplification knowledge points
\[
\]
Substitute and simplify the numerator
Using the Order of Operations and Algebraic Simplification knowledge points
\[
3 - 4|2(-3)| = 3 - 4(6) = 3 - 24 = -21
\]
Divide the numerator by the denominator
Using the Order of Operations and Algebraic Simplification knowledge points
\[
\frac{-21}{3} = -7
\]
</reasoning>
<answer>
<mcq-option>7</mcq-option>
<mcq-option>9</mcq-option>
<mcq-option>-9</mcq-option>
<mcq-correct>-7</mcq-correct>
</answer>
<post_analysis>
{
"subject": "Mathematics",
"question_type": "Multiple Choice",
"knowledge_point": [
"Mathematics",
"Algebra",
"Absolute Value Evaluation"
]
}
</post_analysis>
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<pre_analysis>
{
"quality": "clear",
"question_count": 1,
"skills_matched": [
"step_cot",
"multiple_choice_formatter",
"explain_then_answer",
"tutor",
"mastery_adaptive_brevity"
],
"needs_drawing": false,
"concepts_used": [
"Order of Operations",
"Algebraic Simplification"
],
"new_concepts": [
"Absolute Value Evaluation"
],
"current_concepts": [
"Order of Operations",
"Algebraic Simplification",
"Absolute Value Evaluation"
]
}
</pre_analysis>
<reasoning>
Evaluate the absolute value expressions
Using the Order of Operations and Algebraic Simplification knowledge points
\[
\]
Substitute and simplify the numerator
Using the Order of Operations and Algebraic Simplification knowledge points
\[
3 - 4|2(-3)| = 3 - 4(6) = 3 - 24 = -21
\]
Divide the numerator by the denominator
Using the Order of Operations and Algebraic Simplification knowledge points
\[
\frac{-21}{3} = -7
\]
</reasoning>
<answer>
<mcq-option>7</mcq-option>
<mcq-option>9</mcq-option>
<mcq-option>-9</mcq-option>
<mcq-correct>-7</mcq-correct>
</answer>
<post_analysis>
{
"subject": "Mathematics",
"question_type": "Multiple Choice",
"knowledge_point": [
"Mathematics",
"Algebra",
"Absolute Value Evaluation"
]
}
</post_analysis>