Perpendicular Slopes and Right Triangles

Find side length X.

• 30

• 25

• 15

• 40

Tags

CCSS.HSG.SRT.A.2

Which equations below would be perpendicular to the line graphed?

• y = -2x - 9

• y = 2x + 2

• y = -2x + 4

If two lines are perpendicular then the product of their gradients is equal to....

Tags

CCSS.8.EE.B.6

• 5/2

• 4

• 2/5

• -5/2

Tags

CCSS.8.EE.B.5

Triangle PQR and RST are similar right triangles. Which proportion can be used to show that the slope of line PR is equal to the slope of line RT?

Tags

CCSS.8.EE.B.6

Slopes of perpendicular lines are...

• opposite reciprocals.

• opposites.

• identical.

• always 7.

Tags

CCSS.8.EE.B.5

What slope is perpendicular to:  
m = 5/8

• -5/8

• 5/8

• -8/5

• 8/5

Tags

CCSS.8.EE.B.6

What slope is perpendicular to:  
m = 3

• -3

• -1/3

• 1/3

• 3

Tags

CCSS.8.EE.B.6

y = -2/3x + 2
y = 3/2x + 9
These lines are...

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6