Slopey Slope

Front

What is the formula to calculate the slope of a line?

Back

The slope (m) is calculated using the formula: m = (y2 - y1) / (x2 - x1), where (x1, y1) and (x2, y2) are two points on the line.

Tags

CCSS.8.EE.B.5

Front

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

Back

The slope is 2.

Tags

CCSS.8.EE.B.5

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

CCSS.8.EE.B.5

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

CCSS.8.EE.B.5

Front

What is the slope of a horizontal line?

Back

The slope of a horizontal line is 0.

Tags

CCSS.8.EE.B.5

Front

What is the slope of a vertical line?

Back

The slope of a vertical line is undefined.

Tags

CCSS.8.EE.B.5

Front

If two lines are parallel, what can be said about their slopes?

Back

The slopes of parallel lines are the same.

Tags

CCSS.8.EE.B.6

Front

If two lines are perpendicular, what can be said about their slopes?

Back

The slopes of perpendicular lines are negative reciprocals of each other.

Tags

CCSS.8.EE.B.6

Front

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

Back

The slope is 3.

Tags

CCSS.8.EE.B.5

Front

What is the slope of the line represented by the equation y = -rac{1}{4}x + 5?

Back

The slope is -rac{1}{4}.

Tags

CCSS.8.EE.B.5