Determining Slope from Graphs, Tables, and Two Points

Front

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

Back

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

Front

Find the slope of the line that passes through the points (2, 4) and (6, 12).

Back

2

Front

Find the slope of the line that passes through (10, 1) and (5, 2).

Back

-1/5

Front

Find the slope of the line that passes through (6, 7) and (4, 2).

Back

5/2

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 a horizontal line?

Back

0

Front

What is the slope of a vertical line?

Back

Undefined

Front

If the slope of a line is -1, what does this tell you about the line's direction?

Back

The line falls at a 45-degree angle from left to right.

Front

How do you determine the slope from a graph?

Back

Choose two points on the line, find their coordinates, and use the slope formula.