Writing Equations
What is the slope of the line parallel to: y = 2x + 7
What is 2?
What is the slope of the line perpendicular to : y = 2x + 7
What is - 1/2?
Are the graphs of y = -5/4x + 3 and y = 4/5x - 8 parallel, perpendicular or neither?
What is perpendicular?
Two lines with the same slope and different y-intercepts are parallel.
What is always?
Translation, Rotation, or Reflection:
y=3x - 2
y=3x + 4
What is a Translation up 6
Solve for y:
y - 2 = x + 4
What is y= x + 6
What is the slope of the line perpendicular to: y = 1/4x + 8
What is -4?
Are the graphs of y = 9x + 2 and y = 9x parallel, perpendicular or neither?
What is parallel?
Two lines with the same slope and different y-intercepts are perpendicular.
What is never?
Translation, Rotation, or Reflection:
y= -2x - 5
y= 2x - 5
What is a Reflection
What is the slope of the line perpendicular to: y - x= 2
What is -1?
Are the graphs of y -5x =12 and y -8 = 4/5x
parallel, perpendicular or neither?
What is neither?
Two lines with positive slopes are parallel.
What is sometimes?
Translation, Rotation, or Reflection:
y= 2x - 4
y= 3x - 3
What is a rotation AND a translation up 1?
What is the equation of a line parallel to
y = -2/3x + 4
What is y = -2/3x + b? b can be anything but 4
What is 1?
Are the graphs of 3y = -x + 3 and y = 3x + 2 parallel, perpendicular or neither?
What is perpendicular?
A horizontal line is parallel to the x-axis.
What is always?
Translation, Rotation, or Reflection:
2y= 4x - 2
y = 3x -1
What is a rotation?
Solve for y:
4y = 1/2 (8x - 16)
What is y = x - 2
What is the slope of the line perpendicular to 2x + 9y = 3?
What is 2/9?
Are the graphs of 3y + 4x= 2 and 4x - 3y = 9 parallel, perpendicular or neither?
What is neither?
A vertical line is perpendicular to the y-axis.
What is never?
Translation, Rotation, or Reflection:
y= 3(x+3)
y= 1/2x +9
What is a rotation?