Flashcard 2A Review

Front

Simplify the expression: a - 8 - 10

Back

a - 18

Front

What is the expression for the perimeter of a triangle with side lengths 2x, 3x + 5, and x + 2?

Back

6x + 7

Front

Simplify the expression: -10x + 15 - 3x + 2

Back

-13x + 17

Front

Factor the expression: -6r + 6

Back

-6(r - 1)

Front

Simplify the expression: 3 + 5x + 8 - 2x

Back

11 + 3x

Front

What is the definition of a variable in algebra?

Back

A symbol used to represent an unknown value.

Front

What does it mean to simplify an expression?

Back

To reduce it to its simplest form by combining like terms.

Front

What is the perimeter of a shape?

Back

The total distance around the shape.

Front

What is a coefficient in an algebraic expression?

Back

A numerical factor that multiplies a variable.

Front

What is the process of factoring in algebra?

Back

Breaking down an expression into simpler components that multiply to give the original expression.