parallel vs perpendicular

Slopes of parallel lines are...

• opposite reciprocals.

• opposites

• same

• always positive

Tags

CCSS.8.EE.B.5

Slopes of perpendicular lines are...

• opposite reciprocals

• opposites

• identical

• always negative

Tags

CCSS.8.EE.B.6

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

A line is perpendicular to y = 2x - 7.

What is the slope of the perpendicular line?

• -2

• 1/2

• -1/2

• 2

Tags

CCSS.8.EE.B.6

Which line(s) are parallel to y=3x+1

• y= -3x -1
• y=-1/3+3
• y=3x
• None of them

Which of these lines are parallel to each other:
1) y = 5x -1
2) y = x/5
3) y= -x/5 +11

• 1 & 2
• 2 & 3
• 1 & 3
• None of them

Tags

CCSS.HSG.CO.A.1

Write an equation in slope intercept form that is parallel to y = 2x +3 and passes through the point (3, -4).

• y = 2x + 10

• y = 2x -10

• y = -2x -10

• y= -2x - 2

Write an equation in slope intercept form that is perpendicular to y = -3x + 4 and passes through the point (9,5).

• y = 3x - 32

• y = -3x + 22

• y = 1/3x - 8

• y = 1/3x + 2

Write the equation of a line PARALLEL to y = 2x + 3 that passes through the point (3, 1).

• $y=2x\ -3$

• $y=2x-5$

• $y=2x\ +\ 1$

• $y=-\frac{1}{2}x+\frac{5}{2}$