{"id":"cb_practice_pdf:t11-math-m2-q1","source_id":"cb_practice_pdf","source_item_id":"t11-math-m2-q1","external_id":null,"ibn":null,"question_id":null,"program":"SAT","module":"math","domain_code":null,"domain":null,"skill_code":null,"skill":null,"difficulty":null,"score_band":null,"answer_type":"mcq","answer_source":"rationale","layout_warning":null,"form_id":"cb_practice_pdf:test-11","module_number":2,"position":1,"stem":"1 + 5x4y+ Which expression is equivalent to 6x?","stimulus":"","stimulus_html":null,"stem_html":"<p>1 + 5x4y+ Which expression is equivalent to 6x?</p>","rationale_html":"<p>Choice C is correct. In the given expression, 6x and 5x are like terms. Combining 6 +5 +4 these like terms yields 11x. It follows that the expression x x y is 11 +4 equivalent to x y. Choice A is incorrect and may result from conceptual or calculation errors. Choice B is incorrect and may result from conceptual or calculation errors. Choice D is incorrect and may result from conceptual or calculation errors.</p>","correct_answer":["C"],"has_media":false,"has_mathml":false,"has_table":false,"source_created_at":null,"source_updated_at":null,"options":[{"label":"A","content_html":"<p>15x</p>","ord":0},{"label":"B","content_html":"<p>15y</p>","ord":1},{"label":"C","content_html":"<p>11x + 4y</p>","ord":2},{"label":"D","content_html":"<p>30x + 4y</p>","ord":3}],"attribution":{"source_id":"cb_practice_pdf","source_name":"College Board full-length SAT practice tests (PDF)","rights_holder":"College Board","canonical_url":"https://satsuite.collegeboard.org/practice/practice-tests/paper","retrieved_from":"https://satsuite.collegeboard.org/practice/practice-tests/paper","attribution":"Full-length SAT practice tests 4–11 © College Board, published free at satsuite.collegeboard.org.","disclaimer":"Extracted from PDF layout: equations, figures and tables do not survive intact. Use the original PDFs for anything the text renders poorly. SAT® is a trademark registered by the College Board, which is not affiliated with and does not endorse this project.","license":"College Board copyright. Free to download; not licensed for redistribution.","redistributable":false,"item_count":905}}