Linear Algebra Tuesday September 2

Answers for homework

Learning Target I will be able to define a rule when reflecting a figure on the coordinate plane in the form (x,y)  (__, ___ ) when the reflection line is the x-axis, the y-axis and the line y=x.

Problem 3.1 A Copy and complete the table below showing the coordinates of points A-E and their images under a reflection in the y-axis Complete the remaining questions Rule (x,y)  (-x,y )

Problem 3.1 B Copy and complete the table below showing the coordinates of points A-E and their images under a reflection in the x-axis. Complete the remaining questions Rule (x,y)  (x,-y )

Problem 3.1 C Copy and complete the table below showing the coordinates of points A-E and their images under a reflection in the line y=x (green line). Complete the remaining questions Rule (x,y)  (y,x )

Problem 3.1 C Would your rule give the correct coordinates if the flag started in the second third or fourth quadrant? Try it! Rule (x,y)  (y,x )

Rate your understanding I will be able to define a rule when reflecting a figure on the coordinate plane in the form (x,y)  (__, ___ ) when the reflection line is the x-axis, the y-axis and the line y=x.

Homework ACE questions starting on page 61 #1-3 and page 13 of Common Core Workouts grade 7

Problem 3.1 answers