Sequence Pattern Seq Arithmetic Hard — Set 66

Hard Sequence Pattern #66

Title

Hard Sequence Pattern #66

SequenceType

seq-arithmetic

DisplaySequence

• 9
• _
• 5
• 3
• _
• -1
• -3
• _
• -7
• -9

FullSequence

• 9
• 7
• 5
• 3
• 1
• -1
• -3
• -5
• -7
• -9

BlankPositions

• 1
• 4
• 7

Answers

• 7
• 1
• -5

Rule

Subtract 2 each time (start at 9)

Question

Find the 3 missing terms in the sequence: 9, _, 5, 3, _, -1, -3, _, -7, -9

SequenceLength

10

Hint

Look at the difference between each consecutive pair.