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TGAU Mathemateg Datrys Problemau Algebra Haen Uwch

TGAU Mathemateg Datrys Problemau Algebra Haen Uwch.

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TGAU Mathemateg Datrys Problemau Algebra Haen Uwch

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  1. TGAU Mathemateg DatrysProblemau Algebra HaenUwch

  2. Mae Anwenynprynudarnau o siocledsyddyncostio 50c yr un a bananas sy'ncostio 30c yr un. Cyfanswmpris y siocleda'r bananas yw £4.90. Ynystody dyddiaunesafmae'nbwyta 5 darn o siocled a 1/3 o'r bananas. Gwerthbethsyddganddi hi arôlyw £2.70. Faint o ddarnau o siocled a faint o fananaswnaethAnwenbrynu? Help llaw • Gadewchi x fod y nifer o ddarnau o siocled a y ynifer o fananas. YsgrifennwchhafaliadargyferpryniantAnwen. • Ysgrifennwchhafaliadtebygargyferbethsyddganddi hi arôl. • Datryswch yr hafaliadauyma.

  3. ATEB x - nifer y darnausiocled y – nifer y bananas 50x + 30y = 580 50(x-5) + 30((2/3)y) = 270 50x - 250+ 20y = 270 50x + 20y = 520 5x + 3y = 58 5x + 2y = 52 y = 6 5x + 3(6) = 58 5x + 18 = 58 5x = 40 x = 8 Prynodd Alex 8 darn o siocled a 6 banana.

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