Finding the Values of a and d (Leaving Cert Mathematics): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
In the general term formula , what does represent?
In the general term formula , what does represent?
The first term of the sequence
When given two terms of an arithmetic sequence, what is the key strategy for finding and ?
When given two terms of an arithmetic sequence, what is the key strategy for finding and ?
Create two equations with two unknowns
When solving simultaneous equations to find and , which should you find first?
When solving simultaneous equations to find and , which should you find first?
Find first
For consecutive terms in an arithmetic sequence, what property must hold true?
For consecutive terms in an arithmetic sequence, what property must hold true?
The common difference must be the same
In Example 1, given and , what is the value of ?
In Example 1, given and , what is the value of ?
In Example 1 with and , what is ?
In Example 1 with and , what is ?
In Example 2, if , , are consecutive terms, what is the value of ?
In Example 2, if , , are consecutive terms, what is the value of ?
In Example 2 with , what is the general term of the sequence?
In Example 2 with , what is the general term of the sequence?
In Example 2 with , what is ?
In Example 2 with , what is ?
In Example 3, given and , what is the value of ?
In Example 3, given and , what is the value of ?
What should you do to check your answer after finding and ?
What should you do to check your answer after finding and ?
Substitute back into original terms
What is a common mistake when using the general term formula ?
What is a common mistake when using the general term formula ?
Forgetting the