Algebra 1, Unit 1: Variables and Expressions. Key terms, formulas, and worked-example cues a high school student meets for this unit, building on prior units. Front: the term, formula name, or short problem cue. Back: the definition, formula, or solution method.
36 cards · basic cards · AI-written, checked twice. Edit anything.
- What is a variable in algebra?
Show answer
A letter or symbol representing an unknown or changeable value- What is an algebraic expression?
Show answer
A combination of numbers, variables, and operations, with no equals sign- What is a term in an algebraic expression?
Show answer
A single number, variable, or product of numbers and variables- What is a coefficient?
Show answer
The number multiplied by a variable in a term- What is a constant?
Show answer
A term with a fixed value, no variable attached- Simplify: 3x + 5x
Show answer
8x- Simplify: 7y - 2y
Show answer
5y- What are like terms?
Show answer
Terms with the same variable raised to the same power- What property states a(b + c) = ab + ac?
Show answer
The distributive property- Expand: 2(x + 3)
Show answer
2x + 6- What operation 'undoes' addition?
Show answer
Subtraction- What operation 'undoes' multiplication?
Show answer
Division- What is the order of operations, remembered by PEMDAS?
Show answer
Parentheses, Exponents, Multiplication/Division, Addition/Subtraction- Evaluate: 2 + 3 x 4
Show answer
14 (multiplication before addition)- What is an algebraic equation?
Show answer
A statement that two expressions are equal, using an equals sign
FlashKeepers