8.2C, 8.2B, 8.2A, 8.2D

Front

What is the definition of a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value in mathematical expressions or equations.

Front

What is the purpose of an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, used to find unknown values.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers, variables, and operators without an equality sign, while an equation includes an equality sign.

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).

Front

What is a function in mathematics?

Back

A function is a relation that assigns exactly one output for each input, often represented as f(x).

Front

What is the concept of a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

What is the definition of a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

What is the significance of the coordinate plane?

Back

The coordinate plane is a two-dimensional surface where points are defined by pairs of numerical coordinates, allowing for graphing of equations.

Front

What is the Pythagorean theorem?

Back

The Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides.