9.5 STAAR Review Linear Key Features

Front

What is the rate of change of y with respect to x in a linear function?

Back

The rate of change is the slope of the line, which indicates how much y changes for a unit change in x.

Front

Back

Front

What is the slope-intercept form of a linear equation?

Back

Front

How do you determine the y-intercept from a linear equation?

Back

Set x = 0 in the equation and solve for y.

Front

What does the slope of a line represent?

Back

The slope represents the rate of change of y with respect to x.

Front

What is the y-intercept of the function if the graph passes through (0, -1)?

Back

The y-intercept is (0, -1).

Front

If a line has a slope of 1 and a y-intercept of 3, what is its equation?

Back

Front

What is the significance of a negative slope in a linear function?

Back

A negative slope indicates that as x increases, y decreases.

Front

Back

Front

What is the formula to calculate the slope between two points (x1, y1) and (x2, y2)?

Back