NAME
Coordinate Algebra
EOCT REVIEW-Coach Book
Describe how LDEF was rotated to
form AD'E'F' both in words dnd in function,notation.
Dg,a)
z(1p:s) rCl_,!)
D',(_h_,*A) g(_L,s ) F'(it, 5 )
Words: Yo{a+e l, &)a a-bo
\-
Function Notation' S
IK^r
ttf,ortgin
&rS\=F fr-gf)
Dt3 ,-L) a(9_,9) F(+ , A )
t' (2,__, Aj E' ($_,:e) r, (L,lt_)
words: v c*r/*L?rtC" C{-,vl a.boukDygt r*
Function Notati on,
T(xt,J)= Ly,-*)
Use the given function rule to rotate LKLM to form
L' M' . ldentify the coordinates of the
^K'
verticeg of the image. Then describe the rotation in words
3. Rr@, y) (- r, - y)
4. Rr(*, y) (- y, *)
-
-
v
K(_Q_,c) L(_b_,4) M(5, 1)
K'
(L, !_) L' (ae_,]U M' (5, - I )
words: [ 81
R-t :taJr' D n
" bv-f Or igtn
K(l),12) L@,t
K'(-Cr,Cj
Words:
I MO, I I
L'ff,L)
M'A-,5 )
Obv*O rupt p
Draw the image after each described transformation. Then identify its vertices.
5. Dilate MKL
from the origin by a factor of
-
t'
2
6. Shrink LFGH horizontally by a factor of ?
-v
3
-Y,
i.*
11
1il
il
;r
"rr
l*
!.1
*.i
,
J.
L.
).
,[
.i!
+
!:l
,
inTnd,4
,.1*;t;-?5fi
+--ry
"lr"!
5EI #
$E 1?
J(-Q,OI K(A
./'Le),
-
Y
"-
G(3,t4 H&,Ll
o ) K'tL
7. Use the given function notation to
transform quadrilateral FGHJ.
8. Describe how LKLM was transformed to its
image, LK' L'M' , both in words and in
ol(*,y)=(1-,ir)
.y,
B ISTT in13
function notation.
E
rK
(*,a1 K'fi,t")
Le,3) u (-a, q)
'M&'{) v'(ota
,
'
' frr
r': ".n
f
7:.
f
"
i
.
...i,
r
,H
J',:a
":P,/
{e lc,\
,--i--
. = ... ..
F?3_,!) c(lt_, Ll )
I
1
I
Hg, 81 r(q ,!)
rta_,1) c'k!_, t ) H'(9_, a)/'|!_,1_)
words:
D
Notation,
T,
rlole-
bq x+*dDr &F3
(n g) = L3 x; 3 y\