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What is the predecessor of the integer −7 (the integer just before it)?

Class 6IntegersIntegers
  • A-9
  • B-8
  • C-7
  • D-16

Step-by-Step Solution

The predecessor is one step to the left on the number line, i.e. one less. −7 − 1 = −8.
Answer: B) -8

Key idea: Integers on the number line

Draw a line, mark zero in the middle, and step off equal distances. To the right: 1, 2, 3, …. To the left: −1, −2, −3, …. Every integer has its own spot. The further left, the smaller the integer. The further right, the larger. This single picture is the foundation for everything else in this topic — when in doubt, draw the line.

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