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Lösen einer Expo-Gleichung:

Lösen einer Expo-Gleichung:. ..Gleichung anschauen.. Nachdenken. durch Substitution. Von Vlera & Franziska. 1) Definitionsmenge bestimmen:. 2) Substituieren :. Bei Expo-Gleichungen ist die Definitionsmenge immer. =. > 0. 3) Quadratische Gleichung aufstellen:. ♥. 2. - 13 ♥ + 42 = 0.

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Lösen einer Expo-Gleichung:

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  1. Lösen einer Expo-Gleichung: ..Gleichung anschauen.. Nachdenken.. durch Substitution Von Vlera & Franziska

  2. 1) Definitionsmenge bestimmen: 2) Substituieren: Bei Expo-Gleichungen ist die Definitionsmenge immer = > 0 3) Quadratische Gleichung aufstellen: ♥ 2 - 13♥ + 42 = 0

  3. 4) Mit Lösungsformel lösen: x ½ ♥ M I T T E R N A C H T S - ½ F O R M E L ♥ ½ ♥1 ♥2

  4. 5) Lösungen Rücksubstituieren: / lg / lg x lg(3) = lg(7) / : lg(3) x lg(3)= lg(6) / : lg(3) x = 1,771 x = 1,6309

  5. 6) Lösungsmenge angeben: L = {1,6309; 1,771}

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