Algebra I STAAR review

Front

What is a variable in algebra?

Back

A symbol, often a letter, that represents a number in mathematical expressions or equations.

Front

Define an equation.

Back

A mathematical statement that asserts the equality of two expressions, typically containing one or more variables.

Front

What is the purpose of solving an equation?

Back

To find the value(s) of the variable(s) that make the equation true.

Front

What does it mean to simplify an expression?

Back

To reduce an expression to its simplest form by combining like terms and eliminating unnecessary parentheses.

Front

What is the distributive property?

Back

A property that states a(b + c) = ab + ac, allowing you to multiply a single term by two or more terms inside a set of parentheses.

Front

What are like terms?

Back

Terms in an expression that have the same variable raised to the same power.

Front

What is a linear equation?

Back

An equation that makes a straight line when graphed, typically in the form y = mx + b.

Front

Define the slope of a line.

Back

The ratio of the rise (change in y) to the run (change in x) between two points on a line.

Front

What is the y-intercept?

Back

The point where a line crosses the y-axis, represented by the value of y when x = 0.

Front

What is a function?

Back

A relation that assigns exactly one output for each input, often expressed as f(x).