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31874020
Gleichungen ( einfach )
Description
Aufnahmeprüfung Studienkolleg Mathematik Quiz on Gleichungen ( einfach ), created by IWKZ Tutorium on 21/06/2021.
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mathematik
aufnahmeprüfung studienkolleg
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IWKZ Tutorium
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IWKZ Tutorium
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Question 1
Question
Lösen Sie die untenstehende Gleichung! \[\left|3x - 5\right| + 2x = 10\]
Answer
\[\mathbb{L} = \{ \}\]
\[\mathbb{L} = \{3 ; - 5\}\]
\[\mathbb{L} = \{\frac{5}{3} ; - \frac{5}{3}\}\]
\[\mathbb{L} = \{1 ; 2\}\]
Question 2
Question
Bestimmen Sie die Lösungsmenge von dieser Gleichung! Hinweis: Beachten Sie auch auf den Definitionsbereich. \[\frac{2}{x} + 3 = \frac{5}{2}\]
Answer
\[\mathbb{L} = \{ - 4\}\]
\[\mathbb{L} = \{ - 1 ; 2 \}\]
\[\mathbb{L} = \{ 4 ; - 4 \}\]
\[\mathbb{L} = \{ 2 \}\]
Question 3
Question
Bestimmen Sie die Lösungmenge von folgender Gleichung! \[4^{x+2} = ( 4e )^x \]
Answer
\[x = 0\]
\[x = 2\cdot\ln{(2)}\]
\[\mathbb{L} = \{\}\]
\[x = 4\cdot\ln{(2)}\]
Question 4
Question
Lösen Sie die folgende Gleichung! \[\log_3{(x)} = 2\]
Answer
\[\mathbb{L} = \{9\}\]
\[\mathbb{L} = \{\}\]
\[\mathbb{L} = \{8\}\]
\[\mathbb{L} = \{6\}\]
Question 5
Question
Lösen Sie diese Gleichung auf! \[3^x = 3^{5x-4}\]
Answer
\[x = 0\]
\[x = 5\]
\[x = -1\]
\[x = 1\]
Question 6
Question
Bestimmen Sie die Lösungsmenge folgender Gleichung! \[x^2 = 2x +35\]
Answer
\[\mathbb{L} = \{- 7 ; 5\}\]
\[\mathbb{L} = \{ - 5\}\]
\[\mathbb{L} = \{7 ; - 5\}\]
\[\mathbb{L} = \{ - 7\}\]
Question 7
Question
Bestimmen Sie die Lösungsmenge dieser Gleichung! \[\sqrt{x} - 2 = - 3\]
Answer
\[\mathbb{L} = \{ 1\} \]
\[\mathbb{L} = \{ - 1\} \]
\[\mathbb{L} = \{ \} \]
\[\mathbb{L} = \{ 1 ; - 1\} \]
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