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1.S
t
at
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es
o
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ut
i
o
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o
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ut
i
o
n
a. 2x+4y=8
{x+2y=2
x-y=2
b
.
{3x+4y=6
C. 3x-y=5
{9x-9y=15
2.Thenumb
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3.Ho
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ur
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a.0.
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.50000
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18
4.Wr
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.0.
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.17
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5.Fi
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7
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i
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ub
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s
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r
.Whati
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7.Fi
ndt
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al
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f(
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k)i
st
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o
l
ut
i
o
no
f 7x
-8y=64
8.
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nd addi
t
i
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pl
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c
at
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ei
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er
s
eo
f
1
a.
5
8
b
.1
c
.0
9. -2000=_________
10.S
uppo
s
e m=26x
34x
74 andn=22x
33x
72t
henfi
nd
a.GCF(
m,
n)
=______
b
.LCM(
m,
n)
=_______
11.S
i
mpl
i
fy
4 8
10
a. xy
3
b
. a18
5 3
5
c
.x
5
d. 25m21n25?
3
e. 243
3
9
3
3
f. 160- 108+ 2
3
g
. 5(20- 80+ 125)
4
1
2
5x
h.0.
16
12.s
o
l
v
e
25x=8x-1
a.0.
x
4
b
.5 =4
5
4
() ()
c
.10x=1
3x+1
d. 4
=8x+2
3x+y=4
{2x+5y= -1
e.
1+8)
f.2(x
=x
+4
2
13.Rat
i
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nal
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z
et
hedeno
mi
nat
o
r
s
a.10
5
b
. 3
3-2
1
c
.4
2
14.If 5=2.
236and 10=3.
162t
henfi
nd 100- 45+2 10
15.If 2 + 3 =X- 6y,fi
ndt
hev
al
ueo
fxandy.
3 2 -2 3
16.S
t
at
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l
l
o
wi
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sar
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v
i
s
i
b
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y2,
3,
4,
5,
6,
8,9o
r
10
a.435672
b
.89751
c
.658930
d.123400
II-Gi
v
eS
ho
r
tans
wer
5
10
17. (-5) =________
18.
Int
hec
as
eo
fs
o
l
v
i
ngs
ys
t
em o
fl
i
nearequat
i
o
ng
eo
met
r
i
c
al
l
y
,
i
ft
het
wol
i
nesar
epar
al
l
el,t
hes
y
s
t
emhas_________s
o
l
ut
i
o
n.
19.
Whati
st
hes
mal
l
es
tpr
i
menumb
er
?
20.
IfGCF(
a,
b
)
=1,t
henaandar
ec
al
l
ed______
21.
Pr
i
menumb
er
sdi
fferb
yt
woar
ec
al
l
ed______