Writing Linear Functions

If two lines are parallel their slopes are  ____________

• the same.
• negative reciprocals of each other.

Tags

CCSS.8.EE.B.6

If two lines are perpendicular to each other their slopes are ____________

• the same.

• negative reciprocals of each other.

Tags

CCSS.8.EE.B.6

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

• Parallel
• Perpendicular
• Neither

Tags

CCSS.8.EE.B.6

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

• Parallel
• Perpendicular
• Neither

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

Write an equation of a line that passes through the point (-9,2) and is perpendicular to the line y = 3x - 12

• y = (-1/3)x - 1
• y = (1/3)x - 2
• y = -3x + 12
• y = 3x - 1

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

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 

Write an equation for a line parallel to
y = 5/4x + 4 through (-4, -3)

• y = 5/4x +2
• y = -5/4x + 2
• y = 2x - 5/4
• y = 3/4x + 2

Write an equation of a line parallel to y = x + 3 through (5, 3) 

• y = x + 2
• y = -2x + 1
• y = 2x + 1
• y = x - 2