Equation of Parallel and Perpendicular Lines

Are the equations parallel, perpendicular, or neither?

• Parallel

• Perpendicular

• Neither

y = 5/7x +2
y = 5/7x - 30
These lines are...

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6

Slopes of parallel lines are...

• opposite reciprocals

• equal

• opposites

• always 7

Tags

CCSS.8.EE.B.5

Slopes of perpendicular lines are...

• opposite reciprocals

• the same

• opposite

• always 7

Tags

CCSS.8.EE.B.6

Are the two linear equations parallel, perpendicular, or neither?

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.C.8B

Write the equation of the line PARALLEL to the line y = 4x - 9 that passes through the point (-2, 4)

Mathematical Equivalence

ON

Sadie graphed the equations y = 4 and y = -7. These lines are ​ (a)   and their slopes equal ​ (b)   .

• parallel

• perpendicular

• opposites

• zero

• undefined

Tags

CCSS.8.EE.B.5

Are the two linear equations parallel, perpendicular, or neither?

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.C.8B

In a coordinate plane two nonvertical lines are ​ (a)   if the product of their slopes are -1

• perpendicular

• parallel

• horizontal

• vertical

• acutely intersecting

Tags

CCSS.8.EE.B.6

Are the lines parallel, perpendicular, or neither?

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6