9-5 Adding Or Subtracting Rational Expressions That Have Different Denominatb Worksheet With Answers Page 3
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1
2
3
4
5'\
I
)r,
.g
-,
J
*!-
/x*t
1
,X#r(
|
j<#
D*
=t
l
kl-t
t
I
*tl
qu[
*F
t
:a
*,4
c.
,+'r
r
!@
ttrlfx*s
22
r'
y'
tional
Expressions
367
h(+),rhe
*
#{
h".l{'")'#
7 x i * x+l
P+
.
12 \,
-_..-..+
33.
"-,t= \, xt-'Y*a$
^t2i
.1t
- -
\
'
\-
xl-f
/
a
\-
#
r+r+i
I
Xc-l
{
'r,,1
x x2
\
""
-;-E-
1
.
x,+'f
r
;- r*--"--
r*-f i
{x+ri{x-'
V;_;ft'
_.
r
r
-r+l
*;'*-'Yl
9-6
Simplifying Complex
Fractions
and Complex
Ra
1-8
k
k
27.*
.?
28.?
g
I_.
R ,
R
*
,-'j
9*1
a
b
31.
? 2'
?., ;a
9x
I
"o'----;
2
- \
|
-;
J)
-+-
I
"
35.
1- 4
36.
ll-'
l0
#-6
Jrt-
I
!
_3 *2
,
7
39.
f
*,'
*l
40.
'
*
i=,
1442.
i-
t.=
tt
I*;il
4-q
2x
1_1
4x
x-{
-224
l*--J
vy'
..4
t2
I+----;
.vv-
33
l'x-2 x*2
t2
x2-4
l)
All
rational
numbers
)
Rational numbers/{5}
(1)
k:
)
5_5
04.
a+b a-b
IO
a2-bz
(3)
t
=
101
(2)
Rational numbers/{0, 5}
(4)
Rational
numbers/{5,
-5J
X
.F%-*
x*l
d X+l
X
*$
x
F.r
I
r*+
V
t-
B'-
-)
;-
I
43.
b
r-9+9
bb1
r-5
what
rational
values
of
;r
will
:
-
= x
*
5?
i-t
J
(4)
k:
-3.76
(4)
x:
508
Evaluate the
rational
expression
I4
*n.n,
o
k-
|
I
i,l
:
I
(2)
k:
0
(2)
x: l
Explain
why
the
rational
expression
in
part a is
undefined
when:
l) k:I
(2)
k:
-2
,lt2
;tWrite
the
rational
expression
:#
in
simplest form.
'
I -:--
Find
the value
of
rhis
rational
.*j.rrfon
*i,.n,
)
x:9
@+
(3)
x:23
Find
the
value of
x
that makes
this rational
expression equal to:
1)o
(2)
z
(3)
-+
I
X +-f
iit
possible
for
this rational
expression to
equal
l?
Exprain your
answer.
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