Transformations
Reflection
Slopes of two parallel lines will always be...
The same!
The slope of a line parallel to a line with a slope of -4/5 would be...
-4/5
What is the slope of a line parallel to the line y=-2/3x + 5
-2/3
What is my first name?
Kathleen
What transformation can also be described as a "slide"?
Translation
Flip (the numbers) and switch (the signs)!
The slope of a line perpendicular to a line with the slope of 4 is...
-1/4
What is the slope of a line perpendicular to y= 7x + 4?
-1/7
1 cat, 1 dog
What transformation can be described as a turn?
Rotation
90 degree angle (or right angle)
y= 2x -4 y= 2x + 7
Parallel
Write an equation of a line that is parallel to y= 4x - 7 with a y-intercept of -2
y= 4x -2 OR y= 4x + (-2)
How many years have I been teaching?
This is my 7th year teaching
How would you describe this translation?
2 units up, 3 units right
True or false: Parallel lines will eventually intersect.
False
Parallel, perpendicular, or intersecting?
y= -2/4x -4 y= 2/4x + 7
Intersecting
Write an equation of a line that is perpendicular to y= -1/8x + 4 with a y-intercept of 3.
y= 8x + 3
What month am I getting married?
May, 2022!
How would you describe this rotation (include clockwise or counterclockwise if needed)?
90 degree counterclockwise rotation (about the origin)
What is the term for lines that cross, but are neither parallel or perpendicular?
Intersecting lines
Parallel, perpendicular, or intersecting?
y= 7/4x -4 y= -4/7x + 7
Perpendicular
Write an equation of a line that is perpendicular to y= 9/4x -8 with a y-intercept of (0, -1)
y= -4/9x -1 OR y= -4/9x + (-1)
What sport did I used to play in high school?
Basketball/volleyball/shotput