Algebraic Vocabulary

What is a coefficient?

• A variable in an algebraic expression

• A numerical factor in a term of an algebraic expression, such as the '2' in '2x'.

• A constant that does not change in an equation

• A type of polynomial expression

What does it mean to solve an equation?

• To find the value of the variable that makes the equation true.

• To rewrite the equation in a different form.

• To graph the equation on a coordinate plane.

• To determine the number of solutions an equation has.

How many terms are in the expression 4^2 + 2x - 7?

• 2

• 3

• 4

• 5

What is a variable?

• A variable is a letter used to represent an unknown value in an expression or equation.

• A variable is a fixed number that does not change.

• A variable is a type of data structure in programming.

• A variable is a mathematical constant that is always equal to one.

What is a term in an algebraic expression?

• A term is a single mathematical expression that can be a number, a variable, or a combination of both multiplied together.

• A term is always a number and cannot include variables.

• A term is a collection of multiple variables added together.

• A term is a mathematical expression that only includes constants.

What is an algebraic expression?

• A mathematical statement that includes an equality sign.

• A combination of numbers, variables, and operations (like addition and multiplication) without an equality sign.

• A formula used to calculate the area of geometric shapes.

• A sequence of numbers that follows a specific pattern.

What does it mean for a variable to be 'unknown'?

• An unknown variable is a symbol that represents a value we do not know yet, which we aim to find.

• An unknown variable is a fixed value that does not change.

• An unknown variable is a value that is always zero.

• An unknown variable is a type of constant that is known in advance.

What is the difference between an expression and an equation?

• An expression has an equality sign, while an equation does not.

• An expression is a mathematical phrase, while an equation is a statement of equality.

• An expression can only contain numbers, while an equation can contain variables.

• An expression does not have an equality sign, while an equation does.

What is an equation?

• A mathematical statement that asserts the equality of two expressions, typically containing an '=' sign.

• A formula used to calculate the area of a circle.

• A type of graph that represents data points in a coordinate system.

• A statement that describes a relationship between two variables without using an '=' sign.

What is an example of an expression?

• 5 + 3

• n - 4

• 12 / 2

• x * 7