Slope and Similar Triangles

Front

What does it mean for sides in similar figures?

Back

Sides in similar figures must be proportional.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

What is the slope of a line that goes down from left to right?

Back

Negative

Tags

CCSS.8.EE.B.5

Front

What is the slope of a line that goes up from left to right?

Back

Positive

Tags

CCSS.8.EE.B.5

Front

What is the slope of a horizontal line?

Back

Zero

Tags

CCSS.8.EE.B.5

Front

What is the slope of a vertical line?

Back

Undefined

Tags

CCSS.8.EE.B.5

Front

How do you calculate the slope of a line?

Back

Slope = (change in y) / (change in x).

Tags

CCSS.8.EE.B.5

Front

If a triangle has a slope of -1/2, what does that indicate about its steepness?

Back

It indicates a moderate downward slope.

Tags

CCSS.8.EE.B.6

Front

If a triangle has a slope of 3, what does that indicate about its steepness?

Back

It indicates a steep upward slope.

Tags

CCSS.8.EE.B.6

Front

What is the relationship between similar triangles and their slopes?

Back

Similar triangles have the same slope.

Tags

CCSS.8.EE.B.6

Front

If triangle ABC has a slope (AC) of -1/2, what does that mean?

Back

It means that for every 2 units moved horizontally, the line moves down 1 unit.

Tags

CCSS.8.EE.B.6