Podcast
Questions and Answers
Which of the following statements best describes the concept of absolute value?
Which of the following statements best describes the concept of absolute value?
- The distance of a number from zero, always non-negative. (correct)
- The value of a number including its sign.
- The value of a number when it is always positive.
- The value of a number indicating its position relative to zero.
In the algebraic expression $5y^2 - 3y + 8$, the coefficient of the term $y$ is 3.
In the algebraic expression $5y^2 - 3y + 8$, the coefficient of the term $y$ is 3.
False (B)
Simplify the following algebraic expression by combining like terms: $9a + 3b - 4a + 2b$.
Simplify the following algebraic expression by combining like terms: $9a + 3b - 4a + 2b$.
5a + 5b
According to the order of operations, also known as PEMDAS or BODMAS, the first operation to perform in the expression $2 × (3 + 5) - 4 ÷ 2$ is the operation inside the ___________.
According to the order of operations, also known as PEMDAS or BODMAS, the first operation to perform in the expression $2 × (3 + 5) - 4 ÷ 2$ is the operation inside the ___________.
Match the integer operations with their correct results:
Match the integer operations with their correct results:
Which of the following expressions correctly applies the distributive property?
Which of the following expressions correctly applies the distributive property?
Adding zero to any integer changes the value of the integer.
Adding zero to any integer changes the value of the integer.
What is the result of the operation $-15 + 8 - (-4)$?
What is the result of the operation $-15 + 8 - (-4)$?
When subtracting integers, subtracting a negative integer is the same as ____________ a positive integer.
When subtracting integers, subtracting a negative integer is the same as ____________ a positive integer.
A submarine is 50 meters below sea level (-50 meters) and ascends 15 meters. What is its new position relative to sea level?
A submarine is 50 meters below sea level (-50 meters) and ascends 15 meters. What is its new position relative to sea level?
Flashcards
Absolute Value
Absolute Value
Distance from zero on the number line, always non-negative.
Algebraic Expression
Algebraic Expression
Combination of numbers, variables, and operations.
Variable
Variable
A symbol representing an unknown number.
Constants
Constants
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Terms
Terms
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Like Terms
Like Terms
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Coefficient
Coefficient
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Integers
Integers
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Adding a Positive Integer
Adding a Positive Integer
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Subtracting Integers Rule
Subtracting Integers Rule
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Study Notes
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Description
Learn about the role of absolute value. An absolute value indicates the distance of a number from zero on the number line. Also, algebraic expressions are combinations of numbers, variables, and mathematical operations.
