A variable is a

• A container for storing data values

• A type of computer algorithm

• A fixed value

• A mathematical constant

An equation is

• It is a process to measure numbers.

• It is a mathematical statement asserting equality between two expressions.

• It is a method to derive formulas.

• It is a symbol with no definition.

Inequality is

• A mathematical statement that compares two expressions and states that they are not equal in some way.

• A mathematical equation.

• A type of number.

• An algebraic formula.

A solution

• A homogeneous mixture of two or more substances.

• Any combination of substances.

• A pure chemical compound.

• A chemical reaction.

A solution set is

• The collection of all values that satisfy an equation or system of equations.

• A unique answer to an equation.

• An equation's constant term.

• A term used in geometry.

Dependent variable:

• It is the variable that is measured to see the effect of changes in the independent variable.

• It is the variable that is manipulated by the researcher.

• It is the variable that is kept constant to maintain control.

• It is any variable that is unrelated to the experiment.

An independent variable is

• It is the variable that is deliberately changed or controlled in an experiment.

• It is the variable that is measured to see the effect of changes.

• It is the variable that remains constant throughout an experiment.

• It is the variable that is not involved in the experiment.

What is a relation?

• A relation is a connection between entities.

• A relation is a mathematical expression.

• A relation is a type of graph.

• A relation is a disconnected set.