Literal and Proportions Algebra I

Front

What is a literal in algebra?

Back

A literal is a symbol used to represent a number in algebraic expressions, typically a letter like x, y, or z.

Front

Define proportion in mathematics.

Back

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

Front

What is the formula for finding a proportion?

Back

If a/b = c/d, then ad = bc.

Front

How do you solve for a variable in a proportion?

Back

Cross-multiply the terms and then isolate the variable.

Front

What is the difference between a constant and a variable?

Back

A constant is a fixed value, while a variable can change and represent different values.

Front

What does it mean to simplify an algebraic expression?

Back

To simplify an expression means to combine like terms and reduce it to its simplest form.

Front

What is an algebraic expression?

Back

An algebraic expression is a combination of numbers, variables, and operations (like addition and multiplication) without an equality sign.

Front

How do you evaluate an algebraic expression?

Back

To evaluate an expression, substitute the values of the variables and perform the operations.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable in an expression.