Questões de Raciocínio Lógico · INEP (ENEM)

Raciocínio LógicoMatrizes e determinantesINEP (ENEM) 2014

ENADE

Questão de Raciocínio Lógico

ŽŶƐŝĚĞƌĞT ƵŵŽƉĞƌĂĚŽƌůŝŶĞĂƌĚĞĮŶŝĚŽĞŵR2. Ğ ĂĐŽƌĚŽ ĐŽŵ ĂƐ ŝŶĨŽƌŵĂĕƁĞƐ ĂĐŝŵĂ͕ ĨĂĕĂ Ž ƋƵĞ ƐĞ ƉĞĚĞ ŶŽƐ ŝƚĞŶ Ɛ Ă ƐĞŐƵŝƌ͕ ĂƉƌĞƐĞŶƚĂŶĚŽ ŽƐ ĐĄůĐƵůŽƐ ƵƟůŝnjĂĚŽƐŶĂƐƵĂƌĞƐŽůƵĕĆŽ͘ √ ĂͿ DŽƐƚƌĞƋƵĞŽƉŽŶƚŽ(0, 2 + 3)ƉĞƌƚĞŶĐĞăĞůŝƉƐĞ͘;ǀĂůŽƌ͗ϯ͕ϬƉŽŶƚŽƐͿ ďͿ^ƵƉŽŶŚĂƋƵĞ͕ĞŵĐĂĚĂƉŽŶƚŽĚĂƚĞůĂ͕ƐĞũĂĂƉůŝĐĂĚŽŽŽƉĞƌĂĚŽ ƌůŝŶĞĂƌT(x, y) = (x + y, 82x + 4y). YƵĂŝƐƐĞƌĆŽĂƐĐŽŽƌĚĞŶĂĚĂƐĚŽƐĨŽĐŽƐĚĂĞůŝƉƐĞĂƉſƐĂĂƉůŝĐĂĕĆŽĚĞT ͍ ;ǀĂůŽƌ͗ϯ͕ϬƉŽŶƚŽƐͿ ĐͿ ĂůĐƵůĞŽƐĂƵƚŽǀĂůŽƌĞƐĚŽŽƉĞƌĂĚŽƌůŝŶĞĂƌT(x, y) = (x + y, 82x + 4y)͘;ǀĂůŽƌ͗ϰ͕ϬƉŽŶƚŽƐͿ 1 2 ϯ 4 5 6 7 ϴ 9 10 11 12 ϭϯ 14 15 9 DdDd/ QUESTÃO DISCURSIVA 4 ƚƵĂůŵĞŶƚĞ͕ĂŵĂŝŽƌŝĂĚŽƐĞĚŝƚŽƌĞƐĚĞƚĞdžƚŽŽĨĞƌĞĐĞŽƌĞĐƵƌƐŽĚ ĞĐŽƌƌĞĕĆŽŽƌƚŽŐƌĄĮĐĂ͘ƐƐĞƌĞĐƵƌƐŽĐŽŶƐŝƐƚĞ Ğŵ ĚĞƐƚĂĐĂƌ͕ ĞŶƚƌĞ ĂƐ ƉĂůĂǀƌĂƐ ĚŝŐŝƚĂĚĂƐ͕ ĂƋƵĞůĂƐ ĐŽŵ ƉŽƐƐşǀĞŝƐ ĞƌƌŽƐ ĚĞ ŐƌĂĮĂ͘ WŽƌ ĞdžĞŵƉůŽ͕ ƋƵĂŶĚŽ ƐĞ ĚŝŐŝƚĂĂƉĂůĂǀƌĂ͞ĐĂnjĂ͕͟ŽƌĞĐƵƌ ƐŽĚĞĐŽƌƌĞĕĆŽĚĞƐƚĂĐĂĞƐƐĂƉĂůĂǀƌĂ͕ƉŽŝƐĂƉĂůĂǀƌĂ͞ĐĂnj Ă͟ŶĆŽĞdžŝƐƚĞŶĂůşŶŐƵĂ ƉŽƌƚƵŐƵĞƐĂ͘dĂŵďĠŵĠĐŽŵƵŵŽƌĞĐƵƌƐŽĚĞ ĐŽƌƌĞĕĆŽŽƌƚŽŐƌĄĮĐĂƐƵŐĞƌŝƌƵŵĂŽƵƚƌĂƉĂůĂǀƌĂƉĂƌĂƐƵďƐƟƚƵŝƌĂ ƉĂůĂǀƌĂŝŶĐŽƌƌĞƚĂ͘ ƐƵŐĞƐƚĆŽĚĞƋƵĂŝƐƉĂůĂǀƌĂƐƉŽĚĞŵƐƵďƐƟƚƵŝƌĂƉĂůĂǀƌĂŝŶĐŽƌƌĞƚĂĠĨĞŝƚĂĐŽŵƵŵĂŵĞĚŝĚĂĚĂĚŝƐƚąŶĐŝĂĞŶƚƌĞ ĂƉĂůĂǀƌĂŝŶĐŽƌƌĞƚĂĞĂƐƉĂůĂǀƌĂƐƋƵĞĐŽŶƐƚĂŵŶŽĚŝĐŝŽŶĄƌŝŽĚŽĞĚŝƚŽƌĚĞƚĞdžƚŽ͘džŝƐƚĞŵĚŝǀĞƌƐĂƐŵĂŶĞŝƌĂƐĚĞ ŵĞĚŝƌĂĚŝƐƚąŶĐŝĂĞŶƚƌĞĚƵĂƐƉĂůĂǀƌĂƐ͘hŵĂĚĞůĂƐĠĂĚĞŶŽŵŝŶĂĚĂ ŝƐƚąŶĐŝĂĚĞ,ĂŵŵŝŶŐ͕ŶĂƋƵĂůĂŵĞĚŝĚĂ ĚĂĚŝƐƚąŶĐŝĂĞŶƚƌĞĚƵĂƐƉĂůĂǀƌĂƐx e y͕ĐŽŵĂŵĞƐŵĂƋƵĂŶƚŝĚĂĚĞĚĞůĞƚƌ ĂƐ͕ĠĨĞŝƚĂĚĂƐĞŐƵŝŶƚĞĨŽƌŵĂ͗ d(x, y) сŶƷŵĞƌŽĚĞůĞƚƌĂƐƋƵĞƐĆŽĚŝĨĞƌĞŶƚĞƐĞŵx e y͕ĞŵƐƵĂƐƌĞƐƉĞĐƟǀĂƐƉŽƐŝĕƁĞƐ͘DĂŝƐĨŽƌŵĂůŵĞŶƚĞ͕ ƐĞx = x x x ...x e y = y y y ...y ƐĆŽƉĂůĂǀƌĂƐĞŵƋƵĞx e y ƐĆŽůĞƚƌĂƐĚŽĂůĨĂďĞƚŽ͕ƉĂƌĂ i = 1,2,3,...,n͕ĞŶƚĆŽ 1 2 3 n 1 2 3 n i i d(x, y) = #({i : x z y , ĐŽŵ i = 1,2,3...,n})ĞŵƋƵĞ͕ #(A)ƌĞƉƌĞƐĞŶƚĂŽŶƷŵĞƌŽĚĞĞůĞŵĞŶƚŽƐĚŽĐŽŶũƵŶƚŽA. i i WŽƌĞdžĞŵƉůŽ͕ d(caza, casa) = #({3}) = 1ũĄƋƵĞĞůĂƐĚŝĨĞƌĞŵĂƉĞŶĂƐŶĂƚĞƌĐĞŝƌĂůĞƚƌĂ͕͘ ƉĂƌƟƌĚĞƐƐĂƐŝŶĨŽƌŵĂĕƁĞƐ͕ĨĂĕĂŽƋƵĞƐĞƉĞĚĞŶŽƐŝƚĞŶƐĂƐĞŐƵ ŝƌ͘ ĂͿ DŽƐƚƌĞƋƵĞĂŝƐƚąŶĐŝĂĚĞ,ĂŵŵŝŶŐĠƵŵĂŵĠƚƌŝĐĂŶŽĐŽŶũƵŶƚŽĚĂƐƉĂůĂǀƌĂƐĐŽŵůĞƚƌĂƐ͘;ǀĂůŽƌ͗ϱ͕ϬƉŽŶƚŽƐͿ ďͿDŽƐƚƌĞƋƵĞŽĐŽŶũƵŶƚŽĚĂƐƉĂůĂǀƌĂƐĐŽŵůĞƚƌĂƐ͕ŵƵŶŝĚŽĚĂŝ ƐƚąŶĐŝĂĚĞ,ĂŵŵŝŶŐ͕ĠƵŵĞƐƉĂĕŽ ŵĠƚƌŝĐŽĚŝƐĐƌĞƚŽ͘;ǀĂůŽƌ͗ϱ͕ϬƉŽŶƚŽƐͿ 1 2 ϯ 4 5 6 7 ϴ 9 10 11 12 ϭϯ 14 15 10 DdDd/ QUESTÃO DISCURSIVA 5 hŵĂĞƋƵĂĕĆŽĚŝŽĨĂŶƟŶĂůŝŶĞĂƌŶĂƐŝŶĐſŐŶŝƚĂƐx e yĠƵŵĂĞƋƵĂĕĆŽĚĂĨŽƌŵĂax + by = c͕ĞŵƋƵĞ a, b e c ƐĆŽŝŶƚĞŝƌŽƐ͕ĞĂƐƷŶŝĐĂƐƐŽůƵĕƁĞƐ (x , y )ƋƵĞŝŶƚĞƌĞƐƐĂŵƐĆŽĂƋƵĞůĂƐĞŵƋƵĞx ͕ y Z . 0 0 0 0 EĞƐƐĞĐŽŶƚĞdžƚŽ͕ĐŽŶƐŝĚĞƌĞƋƵĞŽƐŝŶŐƌĞƐƐŽƐĚĞƵŵĐŝŶĞŵĂĐƵƐƚĂŵ ZΨϵ͕ϬϬƉĂƌĂĞƐƚƵĚĂŶƚĞƐĞZΨϭϱ͕ϬϬƉĂƌĂŽ ƉƷďůŝĐŽŐĞƌĂů͕ĞƋƵĞ͕ĞŵĐĞƌƚŽĚŝĂ͕ĚƵƌĂŶƚĞĚĞƚĞƌŵŝŶĂĚŽƉĞƌşŽĚŽ͕ ĂĂƌƌĞĐĂĚĂĕĆŽŶĂƐďŝůŚĞƚĞƌŝĂƐĚĞƐƐĞĐŝŶĞŵĂ ĨŽŝĚĞZΨϮϰϲ͕ϬϬ͘ ƉĂƌƟƌĚĂƐŝŶĨŽƌŵĂĕƁĞƐĂĐŝŵĂ͕ĨĂĕĂŽƋƵĞƐĞƉĞĚĞŶŽƐŝƚĞŶƐĂƐ ĞŐƵŝƌ͘ ĂͿ KďƚĞŶŚĂ ƵŵĂ ĞƋƵĂĕĆŽ ĚŝŽĨĂŶƟŶĂ ůŝŶĞĂƌ ƋƵĞ ŵŽĚĞůĞ Ă ƐŝƚƵĂĕĆŽ ĂĐŝŵĂ͕ ŝŶĚŝĐĂŶĚŽ Ž ƐŝŐŶŝĮĐĂĚŽ ĚĂƐ ŝŶĐſŐŶŝƚĂƐ͘;ǀĂůŽƌ͗ϯ͕ϬƉŽŶƚŽƐͿ ďͿ YƵĂŶƚĂƐĞƋƵĂŝƐƐĆŽĂƐƐŽůƵĕƁĞƐĚŽƉƌŽďůĞŵĂĚĞƐĐƌŝƚŽŶŽŝƚĞŵ;ĂͿ͍;ǀĂůŽƌ͗ϳ͕ϬƉŽŶƚŽƐͿ 1 2 ϯ 4 5 6 7 ϴ 9 10 11 12 ϭϯ 14 15 11 DdDd/

K ĐŽŶũƵŶƚŽ M ;ZͿ Ġ ĨŽƌŵĂĚŽ ƉĞůĂƐ ŵĂƚƌŝnjĞƐ 2 ƋƵĂĚƌĂĚĂƐ ĚĞ ŽƌĚĞŵ Ϯ ĐŽŵ ĞŶƚƌĂĚĂƐ ŝŶƚĞŝƌĂƐ͘ ƐƐĞ ĐŽŶũƵŶƚŽĠĨĞĐŚĂĚŽƐŽďĂƐŽƉĞƌĂĕƁĞƐƵƐƵĂŝƐĚĞƐŽŵĂ ĞŵƵůƟƉůŝĐĂĕĆŽĚĞŵĂƚƌŝnjĞƐ͕ƵŵĂǀĞnjƋƵĞĂƐĞŶƚƌĂĚĂƐ ĚĂƐŵĂƚƌŝnjĞƐƌĞƐƵůƚĂŶƚĞƐĚĂƐŽŵĂĞĚĂŵƵůƟƉůŝĐĂĕĆŽ ƐĆŽŶƷŵĞƌŽƐŝŶƚĞŝƌŽƐ͘ Žŵ ƌĞůĂĕĆŽ ă ĞƐƚƌƵƚƵƌĂ ĂůŐĠďƌŝĐĂ ĚĞƐƐĞ ĐŽŶũƵŶƚŽ ĐŽŵ ĂƐ ŽƉĞƌĂĕƁĞƐ ĚĞƐĐƌŝƚĂƐ͕ ĂǀĂůŝĞ ĂƐ ƐĞŐƵŝŶƚĞƐ ĂƐƐĞƌĕƁĞƐĞĂƌĞůĂĕĆŽƉƌŽƉŽƐƚĂĞŶƚƌĞĞůĂƐ͘ /͘ K ĐŽŶũƵŶƚŽ M ;ZͿ͕ ŵƵŶŝĚŽ ĚĂƐ ŽƉĞƌĂĕƁĞƐ ƵƐƵĂŝƐ 2 ĚĞƐŽŵĂĞŵƵůƟƉůŝĐĂĕĆŽ͕ĨŽƌŵĂƵŵĂŶĞů͘ PORQUE //͘ K ĐŽŶũƵŶƚŽ M ;ZͿ͕ ŵƵŶŝĚŽ ĚĂ ŽƉĞƌĂĕĆŽ ƵƐƵĂů 2 ĚĞ ƐŽŵĂ ĚĞ ŵĂƚƌŝnjĞƐ͕ ĨŽƌŵĂ Ƶŵ ŐƌƵƉŽ Ğ ĞdžŝƐƚĞ Ž ĞůĞŵĞŶƚŽ ƵŶŝĚĂĚĞ ĚĂĚŽ ƉĞůĂ ŵĂƚƌŝnj ŝĚĞŶƟĚĂĚĞ ĚĞ ŽƌĚĞŵϮ͘ ƌĞƐƉĞŝƚŽ ĚĞƐƐĂƐ ĂƐƐĞƌĕƁĞƐ͕ ĂƐƐŝŶĂůĞ Ă ĂůƚĞƌŶĂƟǀĂ ĐŽƌƌĞƚĂ͘

Sua resposta

Mais questões de Matrizes e determinantes

Ver as 203 questões de Matrizes e determinantes

Questão de prova oficial, com o gabarito definitivo publicado pela banca. Reproduzida para fins de estudo.