Algebra Basics Assessment

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. It does not have an equality sign.

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How do you translate a phrase into an algebraic expression?

Back

To translate a phrase into an algebraic expression, identify the mathematical operations described in the phrase and use variables to represent unknown quantities.

Front

What does 'less than' indicate in algebraic expressions?

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'Less than' indicates subtraction. For example, '8 less than a number x' is written as x - 8.

Front

What does 'more than' indicate in algebraic expressions?

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'More than' indicates addition. For example, '6 more than a number x' is written as x + 6.

Front

What is the difference between an equation and an inequality?

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An equation states that two expressions are equal, while an inequality shows that one expression is greater than, less than, or not equal to another.

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How do you write an inequality for a maximum limit?

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To write an inequality for a maximum limit, use the symbol '≤' (less than or equal to) to indicate that a value cannot exceed a certain number.

Front

What does the variable 'm' represent in algebraic expressions?

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The variable 'm' represents an unknown number or quantity that can change or vary.

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How do you express 'decreased by' in algebraic terms?

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'Decreased by' indicates subtraction. For example, '10 decreased by 4 times a number x' is written as 10 - 4x.

Front

What is the standard form of a linear equation?

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The standard form of a linear equation is Ax + By = C, where A, B, and C are integers, and A should be non-negative.

Front

How do you solve for a variable in an equation?

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To solve for a variable in an equation, isolate the variable on one side of the equation using inverse operations.