Parallel and Perpendicular Lines in the Coordinate Plane

Slopes of perpendicular lines are...

• opposite (or negative) reciprocals.

• opposites.

• the same.

• always 7.

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

Which equation is parallel to the x-axis and goes through the point (2, 5)?

• x = 2

• x = 5

• y = 2

• y = 5

What slope is parallel to:  
m = 4

• 4

• -1/4

• -4

• 1/4

Tags

CCSS.8.EE.B.5

What slope is perpendicular to:  
m = 3

• -3

• -1/3

• 1/3

• 3

Tags

CCSS.8.EE.B.6

• Parallel

• Perpendicular

• Skew

The lines on a coordinate plane are perpendicular. Perpendicular lines form what type of angles? (a)  

• Acute angles

• Right angles

• Obtuse angles

• 45 degree angles

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

What is the equation of the blue line which passes through the point (0,6)?

(assume these line are perpendicular)

• y=-4/3x-6

• y=4/3x+6

• y=-4/3x+6

• y=4/3x-6

The lines through the given points are...

• parallel

• perpendicular

• neither

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Two lines are parallel if they have the same??

Tags

CCSS.8.EE.B.6