Basic Mathematics Quiz

What is a variable in mathematics?

• A number that does not change

• A letter or symbol used to represent an unknown number

• A mathematical operation

• A solution to an equation

What does the term 'coefficient' refer to?

• A number added to a variable

• A number multiplied by a variable

• A number that does not change

• A mathematical sentence with an equal sign

What is the purpose of substitution in solving equations?

• To replace a variable with a number

• To simplify an expression

• To isolate the variable

• To graph an inequality

Which inequality symbol represents 'greater than or equal to'?

• >

• <

• ≥

• ≤

What is the role of an equation in mathematics?

• To represent a mathematical operation

• To solve for a constant

• To graph a function

• To express a relationship between variables

How is a constant different from a variable?

• A constant can change its value

• A constant is used to represent an unknown number

• A constant is always a letter or symbol

• A constant has a fixed value

What is the primary goal of solving an equation?

• To simplify the coefficients

• To create a new equation

• To find the value of the variable

• To eliminate all variables

What is the definition of an algebraic expression?

• A number that does not change

• A combination of variables, numbers, and operations

• A mathematical statement with an equal sign

• A combination of numbers and operations

What is the purpose of factoring in algebra?

• To find the roots of a polynomial

• To simplify an equation

• To graph a function

• To eliminate variables

What does it mean to solve a system of equations?

• To graph each equation on a coordinate plane

• To simplify each equation separately

• To find the values of variables that satisfy all equations

• To find a single solution for one equation