Canonical URI: https://w3id.org/kmath/textbook_problem/chunjae_jeon_vision_p140_assessment_05_matrix_linear_equation_component
| rdf:type | math:TextbookProblem |
|---|---|
| rdfs:label | 천재전 p140 대단원 평가하기 05 |
| rdfs:comment | 천재전 공통수학1 교과서 p140에서 이미지 판독으로 추출한 행렬 일차식 \(3X=A-2B\)의 성분을 구하는 대단원 평가 문항. |
| math:achievementStandard | achievement_standard:cm1_10_04_02 |
| math:bodyText | 두 행렬 \[ A=\begin{pmatrix}4&2\\-1&0\end{pmatrix},\quad B=\begin{pmatrix}1&1\\-2&-3\end{pmatrix} \] 에 대하여 등식 \(3X=A-2B\)를 만족시키는 행렬 \(X\)의 \((2,\ 1)\) 성분은? ① \(1\) ② \(2\) ③ \(3\) ④ \(4\) ⑤ \(5\) |
| math:extractionConfidence | 1.0 |
| math:hasSolution | textbook_solution:chunjae_jeon_solution_p160_p140_assessment_05_matrix_linear_equation_component |
| math:pageStart | 140 |
| math:problemKind | assessment |
| math:problemNumber | 05 |
| math:problemType | problem_type:matrix_addition_scalar |
| math:reviewStatus | reviewed |
| math:sourceSection | textbook_section:chunjae_jeon_matrix_operations |
| math:targets | concept:matrix_addition_subtraction |
| math:targets | concept:matrix_element |
| math:targets | concept:scalar_multiplication |
| math:textbook | textbook_source:chunjae_jeon_common_math_1 |