Algebra Review

Front

What is Algebra?

Back

Algebra is a branch of mathematics that uses symbols (like x and y) to represent numbers in equations and formulas.

Front

What is a variable in algebra?

Back

A variable is a symbol, usually a letter, that represents an unknown value in an equation.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac, meaning you can distribute a number across a sum.

Front

Is (x + 5) + 3 equivalent to x(5 + 3)?

Back

No, (x + 5) + 3 simplifies to x + 8, while x(5 + 3) simplifies to 8x.

Front

Is 2(3x + 5) equivalent to 6x + 5?

Back

No, 2(3x + 5) simplifies to 6x + 10, not 6x + 5.

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing one or more variables.

Front

What is a coefficient?

Back

A coefficient is a numerical factor in a term of an algebraic expression, such as the 3 in 3x.

Front

What is a constant in algebra?

Back

A constant is a fixed value that does not change, such as the number 5 in the expression 3x + 5.

Front

What does it mean to simplify an expression?

Back

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