
Potenser 2
Authored by Svetlana Yushmanova
Mathematics
10th Grade
Used 3+ times

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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Answer explanation
Multiplikation: negativ * positiv = negativ
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Answer explanation
Eftersom det sitter parentes kring negativa femman så menar man att man upprepar båda, och negativ * negativ = positiv
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Answer explanation
Eftersom det INTE sitter parentes kring negativa femman så menar man först höjer fem till två, alltså fem gånger fem och sedan tar motsatta talet till det:
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Är det samma svar på
och
nej
ja
Answer explanation
exponenten är jämn, det betyder att även minuset upprepas ett jämnt antal gånger, de parar ihop sig till positiva svar:
är positivt
är negativt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
och
har samma svar
ja, eftersom exponenten är udda
nej, eftersom det finns parenteser runt det ena men inte det andra
Answer explanation
När exponenten är udda och basen är negativ så får man negativt svar oavsett om det sitter parenteser kring basen eller inte:
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Answer explanation
Minusar står inte bredvid varandra, så man menar stå på negativ 2 och gå fem åt vänster.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Answer explanation
Minusar står bredvid varandra, så man menar att man har två och ska subtrahera en negativ femma vilket betyder att man ska addera det motsatta, alltså 2 + 5
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