Chapter 1: Problem 28
Find the distance between the given numbers on a number line. -35 and -6
Short Answer
Expert verified
The distance between -35 and -6 is 29.
Step by step solution
01
Understanding the Problem
We need to find the distance between -35 and -6 on a number line. To do this, we'll calculate the difference between these two integers.
02
Calculate the Difference
To find the distance between two numbers on a number line, we subtract the smaller number from the larger number. In the case of -35 and -6, we subtract -35 from -6: \(-6 - (-35)\).
03
Simplify the Expression
Simplify the expression by changing the double negative to a positive: \(-6 + 35\).
04
Perform the Addition
Calculate the sum of -6 and 35: \(-6 + 35 = 29\).
05
Conclusion
The calculated distance between the two points on the number line is 29.
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Key Concepts
These are the key concepts you need to understand to accurately answer the question.
Understanding Integers on a Number Line
Integers are whole numbers that can be positive, negative, or zero. Visualizing integers on a number line involves placing them at equally spaced intervals arranged from left to right. This allows us to see their relative positions and differences easily. A number line can help you understand how integers relate to each other:
- Positive integers are found to the right of zero, increasing in value as you move farther right.
- Negative integers are located to the left of zero, decreasing as you head further left.
- The number zero is the central point of the number line, neither positive nor negative.
Subtraction of Integers: Basic Principles
Subtraction in mathematics is the opposite operation to addition. When subtracting integers, understanding the direction on a number line is critical. Here's how it works:
- When you subtract a negative number, it’s the same as adding the opposite positive number. This is often referred to as the 'double negative' rule.
- Subtracting a positive number means moving to the left on the number line.
- Subtracting a negative number results in moving to the right on the number line.
Calculating Distance on a Number Line
Distance on a number line refers to the absolute difference between points, only concerned with how far numbers are from each other, irrespective of direction.
- To find the distance between any two integers, simply subtract the smaller one from the larger one, or vice versa.
- Always consider the absolute value of the result to ensure the distance is a positive number.
- For example, the distance between -35 and -6 is calculated as: \[-6 - (-35)\] which simplifies to \[-6 + 35 = 29.\]
Working with Negative Numbers
Negative numbers are less than zero and are typically represented to the left side of zero on a number line. Understanding their unique properties is vital for performing basic operations:
- Adding negative numbers is akin to subtracting positive numbers, moving left on the number line.
- The subtraction of negative numbers, however, is equivalent to adding their absolute values, moving right on the number line.
- Negative numbers when doubled, i.e., negative of a negative, revert to being positive.