11/18/24 Bell Ringer

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.

Front

How do you represent the quotient of two numbers in algebra?

Back

The quotient of two numbers can be represented using the division symbol (/) or the fraction bar. For example, the quotient of a and b is written as a/b.

Front

What is the difference between a number and a constant in algebra?

Back

A number is a specific value (e.g., 5, -3), while a constant is a fixed value that does not change (e.g., the number 5 in an expression).

Front

How do you evaluate an algebraic expression?

Back

To evaluate an algebraic expression, substitute the values of the variables into the expression and perform the arithmetic operations.

Front

What is the formula for the difference of squares?

Back

The difference of squares formula is a^2 - b^2 = (a - b)(a + b).

Front

What does it mean to evaluate an expression at given values?

Back

Evaluating an expression at given values means substituting the specified values for the variables in the expression and simplifying.

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that dictates the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.

Front

How do you simplify an algebraic expression?

Back

To simplify an algebraic expression, combine like terms, apply the distributive property, and reduce fractions if possible.

Front

What is a variable in algebra?

Back

A variable is a symbol, usually a letter, that represents an unknown value in an expression or equation.

Front

What is the significance of constants in algebraic expressions?

Back

Constants provide fixed values that can be used in calculations, helping to define the behavior of the expression.