Practice Real-world Application (5.1) - Arithmetic Sequences - IB 10 Mathematics – Group 5, Algebra

Practice: Real-world Application

Lesson 5.1Arithmetic Sequences

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9 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
Find the 4th term of the sequence: 3, 7, 11,...
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Add 4 to the previous term.
Question 2.
How many terms are in the sequence: 10, 15, 20,... up to 100?
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Use the common difference to find the number of terms.
3Question 3.
What is an arithmetic sequence?
- A sequence with a random difference
- A sequence where the difference between terms is constant
- A sequence that only consists of even numbers
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Think about how the terms relate to each other.
4Question 4.
True or False: The common difference in an arithmetic sequence can be negative.
- True
- False
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Consider sequences that go down in value.
Question 5.
If you start a new job with a salary of $500 and receive an increase of $50 each month, how much will you earn in total after the first 12 months?
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Calculate the sum of the arithmetic sequence using the appropriate formula.
Question 6.
A book costs $15, and each month it gets $2 more expensive. If the book was bought 10 months ago, how much does it cost now?
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Calculate the current price using the common difference and the number of months.

5 more questions in this section. Enroll free to practise them all.