Parallel and Perpendicular equations

Slopes of parallel lines are...

• opposite reciprocals.
• opposites.
• the same.
• always 7.

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

Slopes of perpendicular lines are...

• opposite (sign) reciprocals.

• opposites.

• identical.

• always 7.

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

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

• Parallel
• Perpendicular
• Neither

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

y = 3/2x + 2
y = 2/3x + 6
These lines are...

• Parallel
• Perpendicular
• Neither

Tags

CCSS.HSG.GPE.B.5

Which two equations below are perpendicular?

• y = -3x + 2 and y = -2x + 2
• y = 3x + 1 and y = 3x + 1
• y = -x + 1 and y = -x - 2
• y = 3x - 4 and y = -1/3x - 2

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.CO.C.9

CCSS.HSG.GPE.B.5

Which two equations below are parallel?

• y = 2x + 1 and y = -1/2x + 1
• y = 2x + 3 and y = 2x + 3
• y = 2x - 1 and y = 1/2x - 1
• y = -x + 4 and y = -x + 2

The points for the line AB are A(0, 1) and B(2, 5).
The points for line CD are C(-1, -5) and D(1, -1).
Are these lines parallel, perpendicular or neither?

• parallel
• perpendicular 
• neither

The graphs of the equations are
y = -2/3x + 2
y = 3/2x + 9

• Parallel
• Perpendicular
• Neither

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

• Parallel
• Perpendicular
• Neither

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

y = 6x + 2
y = -6x + 2
These lines are...

• Parallel
• Perpendicular
• Neither

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5