Parallel and Perpendicular Equations

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

• Parallel
• Perpendicular
• Neither
• The same line

Tags

CCSS.8.EE.C.8B

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

• Parallel
• Perpendicular
• Neither

Tags

CCSS.8.EE.B.6

What is the slope of a line parallel to the line whose equation is:  -2x + y = - 7?

• -2
• 1/2
• -1/2
• 2

Tags

CCSS.8.EE.B.5

A line is perpendicular to    y = 2x - 7.
What is the slope of this line? 

• -2
• 1/2
• -1/2
• 2

Tags

CCSS.8.EE.B.6

What is the equation of a line that is perpendicular to the line
y = 3x - 6 and passes through the point (15,5).

• y = -3x + 10
• y= 1/3x +10
• y = -1/3x +10
• y = 3x -15

Tags

CCSS.HSG.GPE.B.5

Write an equation that is parallel to the line
y = x - 5 through (1, -2)

• y = -3x +1
• y = x - 3
• y = x + 1
• y = 3x +1 

Tags

CCSS.HSG.GPE.B.5

What does it mean if two lines are PARALLEL?

• They never intersect

• They intersect and form a right angle

• The intersect

• I still don't know

Slopes of PARALLEL lines are...

• opposite reciprocals.

• opposites.

• same

• always 7.

What does it mean if two lines are PERPENDICULAR?

• The never intersect

• They intersect

• They intersect and form a right angle

• I don't know

Slopes of PERPENDICULAR lines are...

• opposite reciprocals.

• opposites.

• Same