Examples:
(x,y) -> (x, -y): x value did not change, so it is a reflection over x –axis.
(x,y) -> (-x, y): y value did not change, so it is a reflection over y –axis.
What are the coordinates for preimage? (
What are the coordinates for image?
(
ONLY TYPE THE NUMBER IN THE BLANK
What is the rule?
ex:
(x,y) -> (y,x)
Examples:
(x,y) -> (x, -y): x value did not change, so it is a reflection over x –axis.
(x,y) -> (-x, y): y value did not change, so it is a reflection over y –axis.
What are the coordinates for preimage? (
What are the coordinates for image?
(
ONLY TYPE THE NUMBER IN THE BLANK
What is the rule?
ex:
(x,y) -> (y,x)
Examples:
(x,y) -> (x, -y): x value did not change, so it is a reflection over x –axis.
(x,y) -> (-x, y): y value did not change, so it is a reflection over y –axis.
A (2, -9) ----> A’ (2, 9)
Examples:
(x,y) -> (x, -y): x value did not change, so it is a reflection over x –axis.
(x,y) -> (-x, y): y value did not change, so it is a reflection over y –axis.
B (4, -13) -----> B’ (4, 13)
(x,y) -> (x, -y)
K (5,8) -----> K' (
ONLY TYPE THE NUMBER IN THE BLANK
(x,y) -> (-x, y)
L (-9, -3) -----> L' (
ONLY TYPE THE NUMBER IN THE BLANK
Write the rule.
Write the rule.
(Scroll up to see the rules if you forgot!)
(3, 5) = reflected across the x-axis: reflected across the y-axis:
(-9, 12) = reflected across the x-axis: reflected across the y-axis:
(0, 2) = reflected across the x-axis: reflected across the y-axis:
(-5, -8) = reflected across the x-axis: reflected across the y-axis:
(4, -7) = reflected across the x-axis: reflected across the y-axis:
(6, 4) = reflected across the x-axis: reflected across the y-axis:
(1, -1) = reflected across the x-axis: reflected across the y-axis:
Which part of the coordinate is negated and which stays the same?
Which part of the coordinate is negated and which stays the same?