Identifying Types of Slope (+|-|0|undefined)

Front

What is the slope of a line that is horizontal?

Back

The slope is zero.

Front

What is the slope of a line that is vertical?

Back

The slope is undefined.

Front

If a line has a positive slope, which direction does it go?

Back

Upwards from left to right.

Front

If a line has a negative slope, which direction does it go?

Back

Downwards from left to right.

Front

What does a slope of zero indicate about a line?

Back

The line is horizontal.

Front

What does an undefined slope indicate about a line?

Back

The line is vertical.

Front

How can you identify a positive slope on a graph?

Back

The line rises as it moves from left to right.

Front

How can you identify a negative slope on a graph?

Back

The line falls as it moves from left to right.

Front

What is the slope of a line parallel to the x-axis?

Back

The slope is zero.

Front

What is the slope of a line parallel to the y-axis?

Back

The slope is undefined.