Perpendicular and Parallel Lines

Perpendicular lines have _________________ slope.

• The Same

• Opposite Reciprocal

Tags

CCSS.8.EE.B.6

If the lines are parallel to each other and the slope of the blue line is 1/4, what is the slope of the purple line?

• 4

• -4

Tags

CCSS.8.EE.B.6

If the lines are parallel to each other and the slope of the blue is -1, what is the slope of the purple line?

• 1

• -1

• 5

• -3

Tags

CCSS.8.EE.B.6

• 2

• -2

Tags

CCSS.8.EE.B.6

Tags

CCSS.8.EE.B.6

Slopes of perpendicular lines are...

• opposite reciprocals.

• opposites.

• the same.

• always 7.

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

• Parallel

• Perpendicular

• Neither

• The same line

Tags

CCSS.HSG.CO.A.1

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

• Parallel

• Perpendicular

• Neither

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

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

• -2

• 1/2

• -1/2

• 2

Tags

CCSS.8.EE.B.6