The th term of a decreasing linear sequence
The
- Check whether the change is additive, multiplicative or based on the previous two terms.
- A term-to-term rule moves between terms. A position-to-term rule uses the term number
. - Check a proposed rule against at least the first two given terms.
Example 1
Find the
Difference Use the signed difference between successive terms.
Constant Subtract the first value of from the actual first term.
Example 2
Find the
Difference Use the signed difference between successive terms.
Constant Subtract the first value of from the actual first term.
Your turn
Question 1
Find the
Check answer
Difference Use the signed difference between successive terms.
Constant Subtract the first value of from the actual first term.
Question 2
Find the
Check answer
Difference Use the signed difference between successive terms.
Constant Subtract the first value of from the actual first term.
Question 3
Find the
Check answer
Difference Use the signed difference between successive terms.
Constant Subtract the first value of from the actual first term.
Question 4
Find the
Check answer
Difference Use the signed difference between successive terms.
Constant Subtract the first value of from the actual first term.
Question 5
Find the
Check answer
Difference Use the signed difference between successive terms.
Constant Subtract the first value of from the actual first term.
Find the
Difference Use the signed difference between successive terms.
Constant Subtract the first value of from the actual first term.
Find the
Difference Use the signed difference between successive terms.
Constant Subtract the first value of from the actual first term.
Find the
Difference Use the signed difference between successive terms.
Constant Subtract the first value of from the actual first term.
Find the
Difference Use the signed difference between successive terms.
Constant Subtract the first value of from the actual first term.
Find the
Difference Use the signed difference between successive terms.
Constant Subtract the first value of from the actual first term.