Evidence from real life:
1. Temperature: The absolute value of temperature always represents the magnitude or intensity of heat, regardless of it being positive or negative. For example, if a weather report says the temperature is -5 degrees Celsius, the absolute value would be 5 degrees Celsius.
2. Banking Transactions: When making financial transactions, it is common to have account balances that can be positive or negative. However, when calculating the total balance or determining the overall value of an account, the absolute value is used to indicate the magnitude of the funds, disregarding their polarity.
3. Distance: In everyday life, we often measure distances between two points. Whether it is measuring how far we traveled or estimating the distance between two cities, the absolute value is used to ignore the direction and focus solely on the numerical value. For instance, if the distance between two cities is -200 miles, taking the absolute value leaves us with 200 miles.
These real-life examples show that absolute value is consistently positive, regardless of the initial value being positive or negative, supporting the claim that absolute value is always positive.
Support your claims with evidence from your real life
Claim: Absolute value is always positive.
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