What is the result of the sum formula for the first term?
Learn to use induction to prove the sum formula of a series

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Mathematics
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11th Grade - University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Three
Two
Four
One
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the expression for the sum of the first term?
1/2 * 5 * 1 - 2
1/2 * 5 * 1 + 1
1/2 * 5 * 1 - 1
1/2 * 5 * 1 + 2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of setting up an induction hypothesis?
To verify the formula for the first term
To calculate the sum for the last term
To prove the formula for all terms
To simplify the expression
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the expression for the sum of K terms?
2 + 7 + 12 + 17 + 5 * K + 3
2 + 7 + 12 + 17 + 5 * K - 1
2 + 7 + 12 + 17 + 5 * K + 1
2 + 7 + 12 + 17 + 5 * K - 3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which operation is performed to simplify the expression during the induction proof?
Multiplication
Subtraction
Division
Addition
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of applying the FOIL method in the proof?
5K^2 + 4K + 4K + 4
5K^2 + 5K + 5K + 4
5K^2 + 3K + 5K + 4
5K^2 + 4K + 5K + 4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final step in proving the formula by induction?
Showing the formula holds for all terms
Verifying the first term
Simplifying the expression
Setting up the hypothesis
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