QUESTION IMAGE
Question
solve for (m):
(m^2 - 27m = 0)
a. 0, 27
b. 0, -27
c. 27
d. 0
<pre_analysis>
{
"quality": "clear",
"question_count": 1,
"skills_matched": [
"step_cot",
"multiple_choice_formatter",
"explain_then_answer",
"tutor",
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"concepts_used": [
"Quadratic Equations"
],
"new_concepts": [],
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}
</pre_analysis>
<reasoning>
Rewrite the equation in standard form
Using the Quadratic Equations knowledge point
\[
m^2 - 27m = 0
\]
Factor out the greatest common factor
Using the Quadratic Equations knowledge point
\[
m(m - 27) = 0
\]
Set each factor to zero and solve
Using the Quadratic Equations knowledge point
\[
\]
</reasoning>
<answer>
<mcq-correct>(a) 0, 27</mcq-correct>
<mcq-option>(b) 0, -27</mcq-option>
<mcq-option>(c) 27</mcq-option>
<mcq-option>(d) 0</mcq-option>
</answer>
<post_analysis>
{
"subject": "Mathematics",
"question_type": "Multiple Choice",
"knowledge_point": [
"Mathematics",
"Algebra",
"Quadratic Equations"
]
}
</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": [
"Quadratic Equations"
],
"new_concepts": [],
"current_concepts": [
"Quadratic Equations"
]
}
</pre_analysis>
<reasoning>
Rewrite the equation in standard form
Using the Quadratic Equations knowledge point
\[
m^2 - 27m = 0
\]
Factor out the greatest common factor
Using the Quadratic Equations knowledge point
\[
m(m - 27) = 0
\]
Set each factor to zero and solve
Using the Quadratic Equations knowledge point
\[
\]
</reasoning>
<answer>
<mcq-correct>(a) 0, 27</mcq-correct>
<mcq-option>(b) 0, -27</mcq-option>
<mcq-option>(c) 27</mcq-option>
<mcq-option>(d) 0</mcq-option>
</answer>
<post_analysis>
{
"subject": "Mathematics",
"question_type": "Multiple Choice",
"knowledge_point": [
"Mathematics",
"Algebra",
"Quadratic Equations"
]
}
</post_analysis>