Slope of similar triangles

Front

What is the formula for calculating the slope of a triangle?

Back

Slope = rise/run

Tags

CCSS.8.EE.B.5

Front

If a triangle has a rise of -2 and a run of 4, what is the slope?

Back

Slope = -2/4 = -1/2

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 line that is horizontal?

Back

The slope of a horizontal line is 0.

Tags

CCSS.8.EE.B.5

Front

What is the slope of a line that is vertical?

Back

The slope of a vertical line is undefined.

Tags

CCSS.8.EE.B.5

Front

If a triangle has a rise of 3 and a run of 3, what is the slope?

Back

Slope = 3/3 = 1.

Tags

CCSS.8.EE.B.5

Front

How do you simplify the slope -4/8?

Back

-4/8 simplifies to -1/2.

Front

What is the slope of a triangle with a rise of 5 and a run of -5?

Back

Slope = 5/-5 = -1.

Tags

CCSS.8.EE.B.5

Front

If two triangles are similar, how do their slopes compare?

Back

The slopes of similar triangles are equal.

Tags

CCSS.8.EE.B.6