Category 2 STAAR

Front

What is a function?

Back

A function is a relation between a set of inputs and a set of possible outputs where each input is related to exactly one output.

Front

What does it mean for y to be a function of x?

Back

It means that for every value of x, there is exactly one corresponding value of y.

Front

What is the equation for a linear relationship?

Back

Front

How do you determine the slope of a line?

Back

Front

What is the y-intercept in a linear equation?

Back

Front

What is a linear function?

Back

Front

How can you represent a relationship using a table?

Back

A relationship can be represented using a table by listing pairs of input (x) and output (y) values.

Front

What is the unit rate?

Back

The unit rate is the ratio of two measurements in which the second term is 1, often used to describe the slope in a linear relationship.

Front

What does the slope of a line represent in a real-world context?

Back

The slope represents the rate of change, such as cost per minute in a phone call or growth per week in a plant.

Front

How do you write an equation from a word problem?

Back

Identify the variables, determine the relationship, and express it in the form of an equation.