5:[["$","div",null,{"className":"crumbs","children":[["$","span",null,{"children":["$","a",null,{"href":"/","children":"Главная"}]}],["$","span",null,{"children":["$","a",null,{"href":"/gdz","children":"ГДЗ"}]}],["$","span",null,{"children":["$","a",null,{"href":"/gdz/algebra/9-klass/makarychev","children":["Алгебра"," ",9," класс ","Макарычев"]}]}],["$","span",null,{"children":["Номер ","789"]}]]}],["$","h1",null,{"children":["Номер 789"," — ГДЗ ","алгебра"," ",9," класс ","Макарычев"]}],[["$","section","16348",{"children":[false,["$","div",null,{"className":"sheet-card statement","children":[["$","p",null,{"children":["$","b",null,{"children":["№ 789","."]}]}],["$","div",null,{"dangerouslySetInnerHTML":{"__html":"

Последовательность (х_n) – геометрическая прогрессия. Найдите:

\nа) x₁, если х₈ = –128 и q = –4;
\nб) q, если x₁ = 162 и x₉ = 2.\n

"}}]]}],["$","div",null,{"className":"notice","children":["Разбор этого задания готовится. Пока можно ",["$","a",null,{"href":"/reshit","children":"решить его по фото"}]," — ИИ объяснит по шагам."]}]]}]],["$","p",null,{"children":[["$","a",null,{"href":"/gdz/algebra/9-klass/makarychev/nomer-788","children":["← ","Номер 788"]}]," · ",["$","a",null,{"href":"/gdz/algebra/9-klass/makarychev/nomer-790","children":["Номер 790"," →"]}]," · ",["$","a",null,{"href":"/gdz/algebra/9-klass/makarychev","children":"Все номера"}]]}],["$","script",null,{"type":"application/ld+json","dangerouslySetInnerHTML":{"__html":"[{\"@context\":\"https://schema.org\",\"@type\":\"Question\",\"name\":\"Алгебра 9 класс Макарычев, номер 789\",\"text\":\"Последовательность (хn) – геометрическая прогрессия. Найдите: а) x1, если х8 = –128 и q = –4; б) q, если x1 = 162 и x9 = 2.\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ответ: а) x1 = 1/128 или 0,0078125; б) q = ±√3/3 (или ±1/√3 ≈ ±0,577)\"}},{\"@context\":\"https://schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Главная\",\"item\":\"https://reshay.ai/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"ГДЗ\",\"item\":\"https://reshay.ai/gdz\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Алгебра 9 класс Макарычев\",\"item\":\"https://reshay.ai/gdz/algebra/9-klass/makarychev\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Номер 789\"}]}]"}}]]

Номер 789 — ГДЗ алгебра 9 класс Макарычев