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ASSALAMU’ALAIKUM Wr. Wb

ASSALAMU’ALAIKUM Wr. Wb. STANDAR KOMPETENSI: Memecahkan masalah berkaiatan dengan konsep bilangan riil. TUJUAN: Peserta didik mampu menjelaskan konsep logaritma. Peserta didik mampu menyebutkan sifat-sifat logaritma. Peserta didik mampu melakukan operasi pada logaritma. logaritma.

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ASSALAMU’ALAIKUM Wr. Wb

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  1. ASSALAMU’ALAIKUM Wr. Wb

  2. STANDAR KOMPETENSI: Memecahkan masalah berkaiatan dengan konsep bilangan riil. TUJUAN: Peserta didik mampu menjelaskan konsep logaritma. Peserta didik mampu menyebutkan sifat-sifat logaritma. Peserta didik mampu melakukan operasi pada logaritma.

  3. logaritma yaitu operasi kebalikan dari menentukan nilai pemangkatan menjadi menentukan pangkatnya

  4. Bentuk umum logaritma Hasil logaritma Numerus (bil yg dicari logaritmanya ) Bilangan pokok/ basis alogx=n⇔x= an

  5. Istilah logaritma disingkat log Notasi alog x dibaca logaritma x dengan bilangan pokok a.

  6. Sifat-sifat logaritma Sifat 1 alog a = 1, alog 1 = 0, log 10 = 1 contoh: 2log 2 = 1 Sifat 2 alog x + alog y = alog xy Contoh :6log 9 + 6log 4= 6log (9 x 4) = 6log 36 = 6log 62 = 2

  7. Sifat 3 alogx – alogy =alog (x:y) Contoh: 3log 54 – 3log2 = 3log (54:2) = 3log 27 = 3log 33 = 3 Sifat 4 alog xn = n x alog x Contoh = 2log 23 = 3 x 2log 2

  8. PR BUKU PAKET ERLANGGA HAL 56 NO 1-10

  9. WASSALAMU’ALAIKUM Wr. Wb

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