{"kind":"task","effective_mode":"full","benchmark":{"kind":"benchmark","effective_mode":"full","slug":"math","formal_name":"MATH","introduction":"MATH organises 12,500 high-school competition problems into seven subjects and five difficulty levels, each with a full worked solution. It underlies much of the later mathematics evaluation work; this catalogue imports the full test split: 5,000 problems across all seven subjects.","introduction_ja":"","introduction_en":"","category":"Category not supplied","task_count":null,"acquisition_status":"Acquisition status not supplied","official_url":"https://github.com/hendrycks/math","indexing_mode":"index","profile":{"resources":[],"task_format":"","scoring":"","metric":"","size":"","answer_access":"","license":"","citation":"","maintainer":"","released":"","why_hard":"","related":[],"history":"","construction":"","limitations":"","saturation":"","scores":[]}},"task_id":"351dc561-88ef-5562-a560-2e72f590b600","task_key":"precalculus--test--351dc561-88ef-5562-a560-2e72f590b600","task_revision_id":"1","upstream_id":"","short_description":"There exist vectors $\\mathbf{a}$ and $\\mathbf{b}$ such that","config":"precalculus","split":"test","body":"{\"level\":\"Level 4\",\"problem\":\"There exist vectors $\\\\mathbf{a}$ and $\\\\mathbf{b}$ such that\\n\\\\[\\\\mathbf{a} + \\\\mathbf{b} = \\\\begin{pmatrix} 4 \\\\\\\\ 7 \\\\end{pmatrix},\\\\]where $\\\\mathbf{a}$ is parallel to $\\\\begin{pmatrix} 1 \\\\\\\\ 2 \\\\end{pmatrix},$ and $\\\\mathbf{b}$ is orthogonal to $\\\\begin{pmatrix} 1 \\\\\\\\ 2 \\\\end{pmatrix}.$  Find $\\\\mathbf{b}.$\",\"type\":\"Precalculus\"}","display_format":"math","language":"","answer_status":"published","assets":[],"source_url":"https://github.com/hendrycks/math","history":"initial import","indexing_mode":"index","subproblems":[],"grids":[]}