Podcast
Questions and Answers
What is the quotient when $-24$ is divided by $6$?
What is the quotient when $-24$ is divided by $6$?
- 6
- -6
- -4 (correct)
- 4
What is the result of $(-5) imes 8$?
What is the result of $(-5) imes 8$?
- 13
- -13
- 40
- -40 (correct)
If 42 cookies are to be split into 6 gift bags, how many cookies are in each bag?
If 42 cookies are to be split into 6 gift bags, how many cookies are in each bag?
- -7
- 7
- -6
- 6 (correct)
A cellphone has lost 35% of its battery life since a new application was downloaded. If it has been losing 7% of its battery life every hour, how many hours have passed since the download?
A cellphone has lost 35% of its battery life since a new application was downloaded. If it has been losing 7% of its battery life every hour, how many hours have passed since the download?
$-60$ divided by $(-5)$ equals?
$-60$ divided by $(-5)$ equals?
What are integers?
What are integers?
What is the modulus of an integer?
What is the modulus of an integer?
Where are negative numbers located on a horizontal number line?
Where are negative numbers located on a horizontal number line?
What does it mean for a number to be considered negative?
What does it mean for a number to be considered negative?
How is the absolute value of a negative number represented?
How is the absolute value of a negative number represented?
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Study Notes
Division Operations
- The quotient of -24 divided by 6 is -4.
Multiplication Operations
- The result of (-5) × 8 is -40.
Division Word Problems
- If 42 cookies are divided into 6 gift bags, there are 7 cookies in each bag.
Percentage Decrease
- If a cellphone loses 35% of its battery life since an app was downloaded, and 7% every hour, it has been 5 hours since the download.
Division Operations
- -60 divided by (-5) equals 12.
Integers
- Integers are whole numbers, either positive, negative, or zero, without decimal or fractional parts.
Modulus (Absolute Value)
- The modulus of an integer is its distance from zero on the number line, always a non-negative value.
- For example, the modulus of -5 is 5.
Number Lines
- Negative numbers are located to the left of zero on a horizontal number line.
Negative Numbers
- A number is considered negative if it is less than zero.
Absolute Value Notation
- The absolute value of a negative number is represented using the modulus symbol, for example, |-5| = 5.
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