Algebra 1 STAAR Review

Front

What is the definition of a variable in algebra?

Back

A variable is a symbol, often a letter, that represents one or more numbers.

Front

What is the distributive property?

Back

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

Front

How do you solve a linear equation?

Back

To solve a linear equation, isolate the variable on one side of the equation using inverse operations.

Front

What is the formula for the slope of a line?

Back

The slope (m) is calculated as m = (y2 - y1) / (x2 - x1).

Front

What does it mean to factor a polynomial?

Back

Factoring a polynomial means expressing it as a product of its factors.

Front

What is the quadratic formula?

Back

The quadratic formula is x = (-b ± √(b² - 4ac)) / (2a).

Front

What is a function?

Back

A function is a relation that assigns exactly one output for each input.

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers and variables without an equality sign, while an equation states that two expressions are equal.

Front

What is the purpose of graphing a linear equation?

Back

Graphing a linear equation visually represents the solutions of the equation on a coordinate plane.

Front

What is a system of equations?

Back

A system of equations is a set of two or more equations with the same variables.