zero and undefined slopes

Front

What is the slope of a vertical line?

Back

Undefined

Front

What is the slope of a horizontal line?

Back

0

Front

What does a positive slope indicate about a line?

Back

The line rises from left to right.

Front

What does a negative slope indicate about a line?

Back

The line falls from left to right.

Front

What is the slope of the line represented by the equation y = 5?

Back

0 (horizontal line)

Front

What is the slope of the line represented by the equation x = -2?

Back

Undefined (vertical line)

Front

How do you determine the slope of a line given two points (x1, y1) and (x2, y2)?

Back

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

Front

What is the slope of the line represented by the equation y = -2x + 3?

Back

-2 (negative slope)

Front

If a line has a slope of 0, what can be said about its graph?

Back

It is a horizontal line.

Front

If a line has an undefined slope, what can be said about its graph?

Back

It is a vertical line.