Front

What is the slope formula?

Back

The slope formula is given by m = (y2 - y1) / (x2 - x1), where (x1, y1) and (x2, y2) are two points on a line.

Tags

TEKS.MATH.8.4B

Front

How do you calculate the slope between two points (x1, y1) and (x2, y2)?

Back

To calculate the slope, use the formula m = (y2 - y1) / (x2 - x1).

Tags

TEKS.MATH.8.4B

Front

What does a positive slope indicate about a line?

Back

A positive slope indicates that the line rises as it moves from left to right.

Tags

TEKS.MATH.8.4B

Front

What does a negative slope indicate about a line?

Back

A negative slope indicates that the line falls as it moves from left to right.

Tags

TEKS.MATH.8.4B

Front

What is the slope of a horizontal line?

Back

The slope of a horizontal line is 0.

Tags

TEKS.MATH.8.4B

Front

What is the slope of a vertical line?

Back

The slope of a vertical line is undefined.

Tags

TEKS.MATH.8.4B

Front

Given the points (2, -7) and (-1, 6), what is the slope?

Back

The slope is -13/3.

Tags

TEKS.MATH.8.4B

Front

If the slope of a line is -1, what does this mean in terms of the line's direction?

Back

It means the line decreases at a 45-degree angle as it moves from left to right.

Tags

TEKS.MATH.8.4B

Front

How can you determine if two lines are parallel using their slopes?

Back

Two lines are parallel if they have the same slope.

Tags

TEKS.MATH.8.4A

Front

How can you determine if two lines are perpendicular using their slopes?

Back

Two lines are perpendicular if the product of their slopes is -1.

Tags

TEKS.MATH.8.4A