Semester 1 Algebra Vocab

Front

What is the Slope of a function when graphed as a vertical line?

Back

Undefined slope.

Front

What is the slope of a linear function trending upward from left to right?

Back

Positive slope.

Front

What variable represents slope in the slope-intercept form of the equation?

Back

m.

Front

What variable represents the y-intercept in the slope-intercept form of the equation?

Back

b.

Front

What are all of the possible x-values in a function called?

Back

Domain.

Front

What is the term for the set of all possible y-values in a function?

Back

Range.

Front

What is the definition of a linear function?

Back

A function that graphs to a straight line.

Front

What does the term 'y-intercept' refer to?

Back

The point where the graph intersects the y-axis.

Front

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

Back

m = (y2 - y1) / (x2 - x1).

Front

What does a zero slope indicate about a line?

Back

The line is horizontal.