Translations
Reflect A(-5,6) over the x-axis
Rotations are done by moving an object in which directions?
Clockwise and counter-clockwise
A dialation is a change in _________ of the shape.
What is "size."
all angles in a Triangle add up to?
What is 180 degrees
If I reflect across the x-axis I have to do what to my ordered pair?
X stays the same, a negative is added to y
(x, -y)
When I rotate an object 90 degrees how many turns do I have to make?
What is 1.
A scale factor greater than one is a _______________.
Enlargement
If a straight Line is cut by a transversal line to creatre 2 angles, what is the missing angle if one of them is 45 degrees
What is 135
When I reflect across the y-axis I have to do what to my ordered pair?
a negative is added to x, and y stays the same
(-x,y)
When I rotate an object 180 degrees how many turns do I have to make?
What is 2
A scale factor of less than one is a _________.
Reduction
Find the missing angle of a triangle if the two other angles are 60 degrees and 60 degrees
What is 60
Write the rule for a reflection across the y-axis
What is (x,y)--->(-x,y)
rotation 180° about the origin, tell me the new points of: Z(−1, −5), K(−1, 0), C(1, 1), N(3, −2)
What is Z'(1, 5), K'(1, 0), C'(−1, −1), N'(−3, 2)
What are the new points of Q(-3,-3) M(0,-1) H(1,-3) if the shape has dilated by 1.5?
What is Q(-4.5,-4.5) M(0,-1.5) H(1.5,-4.5)
A right angle is how many degrees?
What is 90 degrees
write the rule for a translations that is negative 5 units horizontally and 3 units vertically
What is (x,y)---->(x-5, y+3)
Reflect B(-4-5) across the x-axis first, then reflect across the y axis
What is B'(-4,5) and B''(4,5)
Rotate B(9,-2) 270 degrees Clockwise
What is B'(2,9)
If the scale factor is the number below, what does the rule look like?
2/5
(x,y)->(2/5 x, 2/5 y)
What is 60