The rule for this transformation is (rx, ry).
What is a dilation?
Write the coordinates of the image S(6, -3) after a rotation 270 degrees counterclockwise about the origin.
S'(-3, -6)
Triangle ABC with A(6, –2), B(–4, 10), C(–8, 6) has been transformed so that triangle A’B’C’ has coordinates
A’(-6,-2), B’(4,10), C’(8,6). Name/describe the transformation that took place. Be specific!
Reflection across the y axis
Point E(3, –12) was dilated by a scale factor of 3. Find the coordinates
E(9, -36)
T'(0,2)
Reflect y = x2 across the x-axis
y = -x2
The rule for this transformation is (x+a, y+b).
What is a translation?
Write the coordinates of S(-3, -6) rotating 180 cc
*(Final is S')**
S'(3,6)
Triangle ABC with A(–3, 4), B(–2, –2), C(5, 1) has been transformed so that triangle A’B’C’ has coordinates A’(-3,-4), B’(-2, 2), C’(5,-1).
Reflection across they x axis
Point M(–4, 6) was dilated by a scale factor of 1/2. Find the coordinates of M'.
M'(10, -13)
Z(4,6) Z' (7,3) Algebra rule for this transformation
(x,y)>(x+3,y-3)
Translate y = x2 right 2 units, and up 5 units
y = (x - 2)2 + 5
What is a reflection over the y axis?
Rotate of point M(–2, –6) 90 clockwise.
M'(-6,2)
Triangle ABC has coordinates
A(–4, –3), B(2, –2), C(–1, 5). B' after a relflexion over the x axis
B'(2,2)
Point D(–9, 2) was dilated by a scale factor of 2.
Find the coordinates of D'.
D'(-18, 4)
C(6,-2) C' (6,8) Discribe in word the transformation
Moved up 10
Transformations from y = x2 to y = 2x2 - 3
Vertical stretch by 2 & down 3 units
The rule for this transformation is (-y, x).
What is a rotation 90 degrees CC/270 degrees clockwise?
Rotation of point C(5, –2) 90° cc. about the origin to obtain C’,
C'(2,5)
A reflection preserves.
What is congruency?
Point E(24, –8) was dilated to E'(6,2). The scale factor
What is 1/4?
T(7,8) Rule (x,y)>(x-3, y+2) T'
What is (4,10)
Transformations from y = x2 to y = (x + 4)2 + 9
Left 4 & Up 9
Which transformations have the rule (-x, y). (You must name BOTH).
What is rotation 180 degrees or reflection across the origin?
rotate of point E(–1, –4) 270° clockwise about the origin to obtain E’,
E'''(4, -1)
A reflection does not perserve.
What is a orientation?
Point H(–7, –2) was dilated to H' (-21,-6). The scale factor.
What is 3.
Tranformations preserve
What is congruency and orinetation
Transformations to y = x2 to y = -(x - 3)2 + 6
Reflect across x-axis, right 3 & up 6