November Bell Ringer Makeup

Front

What is the order of operations in mathematics?

Back

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

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What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable in an algebraic expression. For example, in the expression 4x, 4 is the coefficient.

Front

What is a constant in an algebraic expression?

Back

A constant is a fixed value that does not change. In the expression 2x + 9 + 7x, the constant is 9.

Front

How do you simplify the expression 5² - 8?

Back

Using PEMDAS, first calculate 5² = 25, then subtract 8. So, 25 - 8 = 17.

Front

Back

The result is 27. First, calculate 3^2 = 9, then (2 + 1) = 3, and finally 9 × 3 = 27.

Front

What does the term 'variable' mean in mathematics?

Back

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

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers, variables, and operations without an equality sign, while an equation states that two expressions are equal, using an equality sign.

Front

What is the purpose of parentheses in mathematical expressions?

Back

Parentheses indicate which operations should be performed first in an expression, following the order of operations.

Front

What is the value of the expression 4x when x = 3?

Back

When x = 3, the value of 4x is 4 × 3 = 12.

Front

What is the term for the highest power of a variable in a polynomial?

Back

The term is called the degree of the polynomial.