G-7 3rd periodic test mathematics.docx

SAN ISIDRO NATIONAL NATIONAL HIGH SCHOOL Malilipot, Albay THIRD PERIODIC TEST IN GRADE 7 MATHEMATICS

SY 2015-2016 NAME!!!!!!!!!!!!!!!!!!!!!!!!!!!!YR"#SEC"!!!!!!!!!!!!!!!!!!!!!DATE!!!!!!!!!!!!!SCORE!!!!!!  I.TRUE or FALSE

Direction: $%it&

TRUE i'

t(& )tat&*&+t i) o%%&t a+ .%it&  FALSE i' it i) +ot"

 !!!!!1/ Epo+&+t i) t(& +*b&% .(i( i+iat&) (o. *a+y *a+y ti*&) a &%tai+ +*b&% i) )& a) a 'ato%"  !!!!!2/  x

2

+3

 x + 1  i) a+ &a*pl& o' a poly+o*ial" √  x

 !!!!!/ A 3a%iabl& 3a%iabl& i) a )y*bol, )ally l&tt&%), .(i( %&p%&)&+t %&p%&)&+t a 3al& o% +*b&%" +*b&%"  !!!!!4/

( 2 p

3

q r s t  ) 5

7

2 0

, )(o.) t(& la. 'o% &%o &po+&+t"

 !!!!!5/ Si*ila% Si*ila% t&%*) a%& t&%*) t&%*) (a3i+ t(& )a*& +*&%ial o&7i&+t)" o&7i&+t)"  !!!!!6/ A t&%* t&%* i) t(& p%ot o' o+)ta+t) o+)ta+t) a+ 3a%iabl&) o+ly" o+ly"  !!!!!8/ A poly+o*ial poly+o*ial i) i+ )ta+a% )ta+a% 'o%* i' it) t&%*) t&%*) a%& a%%a+& '%o* t(& t&%* .it( .it( t(& (i(&)t &%&&, p to t(& t&%* .it( t(& lo.&)t &%&&"  !!!!!9/ Di)t%ibti3& Di)t%ibti3& p%op&%ty o' *ltipliatio+ *ltipliatio+ o3&% aitio+ aitio+ )tat&) t(at: ;o% a+y %&al +*b&%)  !!!!!
a , 3 x

b , a+ y

2

 x y

−3

 i)

a ( b + c ) =ab + ac

c : 2

"

 !!!!!10/ A+ al&b%ai al&b%ai &p%&))io+ &p%&))io+ i) a 3a%iabl&, a o+)ta+t, o+)ta+t, o% a o*bi+atio+ o' bot( t(at *ay b& %&lat& by a+y o' t(& '+a*&+tal op&%atio+)" II. IDENTIFICATION

b&lo." C(oo)& t(& l&tt&% t(at Direction: ;i+ t(& *at(&*atial p(%a)& o' &a( 3&%bal p(%a)& b&lo." o%%&)po+) to t(& o%%&t a+).&%" a" b"

2 x 7 x

6

14/

1

 l&)) t(a+ t(& p%ot o'

15/ t.i& t(& )=a%& o' a +*b&%

&" '"

6 + 2 x

3

( x + 6 )

7

 x

 a& to t.i& a +*b&%

1/ t(%i& t(& )* o' a +*b&%

2

3 x −1

"

11/ a +*b&%  x  *ltipli& by 12/

2 x

"

 x  a+ 3

6

 a+  x

 x

III. MATCHING TYPE

b&lo." $%it& t(& l&tt&% Direction: D&o& t(& a+).&% to t(& t%i3ia =&)tio+ by *at(i+ &a( it&* b&lo." o%%&)po+i+ o%%&)po+i+ to t(& a+).&% i+ t(& bo"  TRI>IA

What is the largest insect living in the world?

16

18

19

1<

20

21

22

2

24

24

Si*pli'y

21

18

25

24

D&o&%

16/

( x  y ) ( x  y )

H.

18/

( xy )

 A.

 x

19/

 x  y 3  xy

M.

 x  y

1
( 5 x

O.

 x  y

20/

( x )(  x ) ( x )

L.

 x  y

21/

( 6 x  y

S.

 x  y

2

7

5

8

8 3

11

7

13

3

 y

22/

2

−1

−7

11

 z

5

 x  y

3

3

2

3

3

2

)

9

3

2

 x  y

) (−3 x  y )

8 0

3

( x

24/

2 x

25/

( 4 x

3

3

3

7

3

24

10

4

3

11

I.

−3

 y

10

1

(−7 x ) ( 2 xy )

2/

5

7

G.

 xy )

) ( 3 x

 y

+

2

)

 x  y

5 x

13

 y

2

8

B.

−14

E.

2 x

T.

−3

4

2

 x  y

2

 x  y

−6

3

 x  y

12 x

4

 y

3

+4

3

 x  y

5

IV. MULTIPLE CHOICE

Direction: R&a &a( it&* a%&'lly t(&+ (oo)& t(& l&tt&% t(at o%%&)po+) to t(& o%%&t

a+).&%" 26/ A+ al&b%ai &p%&))io+ .(&%& t(& &po+&+t) o' t(& 3a%iabl&) a%& all +o+-+&ati3& i+t&&%)" a/ Al&b%ai &p%&))io+

/ ?oly+o*ial

b/ Lit&%al o&7i&+t

/ T&%* 2

28/ $(at i) t(& &%&& o' &p%&))io+ a/

5

b/

7

3 x

 y

5

4

 x  y

−

/

8

8

 @ /

12

29/ $(i( o' t(& 'ollo.i+ poly+o*ial) i) i+ )ta+a% 'o%*@ 2

 x

3

a/

10 x

b/

5−2 x + 10 x

−8

 x

+ 5 −2

2

 x

−8

2
2 x

2

−a + 4 c

2

a

2

 x + 12  a+

2 x

−11

2

+9

 a+

3 a + 8 b −10 c

/

(

−2

2

a

+5

/

a + 7 ) −( a

2

−3

−a + 8 a + 6

b/

 x

4

11− 8 x + x

 x

+

3

3

+7

−8

 x

4

 x + 11  x

−2

6

 x −6  @ 3 x

2

 x + 6

+2

/

3 x

+ 20

 x + 18

3 a + 8 b −6 c

/

4 a + 8 b −6 c

a +1 )

2

a +8

+7

 "

2 a + 8 b −6 c

b/

6

 x

−2

2

3 x −2 x + 6

a −2 b + 3 c  '%o*

2/ Sbt%at a/

+2

/

b/

2 a −6 c

−

3

2

 x + 6

−2

1/ ;i+ t(& i&%&+& a/

 x

/

/

−3

2

a

+2

a+6

/

−3

a

2

+8

a +6

7 a −6 b + 2 c

6 a −4 b− c

b/

6 a −8 b + 5 c

7 a+ 4 b+ c

/

/

7 a −8 b + 5 c

( 8− w ) = ¿  !!!!!!!!!!@ 2

/ $(at i) t(& p%ot o' a/

64 −w

b/

64 −8 w + w

b/

49 x

2

/

64 − 16 w + w

/

49 x

49 x

2

 x + 10

+ 35

2

 x + 25

+ 35

2

 x + 10

+ 70

2

b

5/ $(i( o' t(& 'ollo.i+ 'ato%) (a) a p%ot o' a/

( b + 4 ) ( b −9 )

b/

6/ ;i+ t(& p%ot o' a/ 9  p

2

+ 66

2

/

64 + 16 w + w

/

49 x

9  p

2

( b −4 ) ( b + 9 )

3 p + 11

 a+

− 121

b/

/

3 p −11

9  p

2

−5

2

 x + 25

+ 70

b −36  @

( b+ 4) ( b+ 9)

/

( b −4 ) ( b −9 )

 "

+ 121

/

9  p

2

− 33

 p − 121

 p −121

8/ $(i( o' t(& 'ollo.i+ obtai+) )*#i&%&+& o' t.o b&)@ a/

( m −5 ) ( m

m+ 25 )

/

( m−5 ) ( m + 10 m+ 25 )

b/

( m−5 ) ( m −5 m + 25 )

/

( m−5 ) ( m −10 m +25 )

2

+5

2

2

2

9/ $(at t%i+o*ial )(ol b& *ltipli& to a/  x

2

7 x + 5

4/ S=a%& a/

2

2


+4

 x + 16

( 2− x )

3

b/  x

2

−4 x + 16

 x + 4  to &t  x 3+ 64  @ /  x

2

 x + 16

+8

/  x

2

−8 x + 16

/

a/

8 + 4 x −6 x

b/

8 −4 x + 6 x

b/  x

3

 x

+5

3

2

+7

3

 x

+

2

 x

−

( x + 2 ) ( x

40/ Mltiply a/  x

2

2

/

8 + 12 x + 6 x

3

+3

2

 x

−

3

8 −12 x + 6 x

/

2

 x

−

3

 x + 1 )

 x + 2

/  x

2

3

+5

 x

2

+6

/  x

−5 x + 7 x −2

3

 x + 2

−5

2

 x

+6

 x −2

V. COMPUTATION

Direction: ;i+ t(& p%ot o' &a( it&* b&lo." C(oo)& t(& l&tt&% t(at o%%&)po+) to t(& o%%&t

a+).&%" 3

a/

x

b/

y

/

16  y + 72 y − 81

+ 27

2

− 18

/

16  y

&/

5 x

2

 y + 81

2

41/

( x −3 )

42/

( x + 3 ) ( x

'/

4/ −3

 x + 9 )

44/

( y −9 )

− 81

 x − 9

− 12

 x

3

−9

 x

2

+ 27

 x −27

( 4 y + 9 ) ( 4  y − 9 )

3

2

2

2

45/

( x −3 ) ( 5 x +3 )

VI. PROBLEM SOLVING

46/ 48/ 7 a −10

;i+ t(& a%&a o' a %&ta+l&, b%o.+ &+3&lop& .(o)& i*&+)io+) a%&

"

49/

Ill)t%at& t(& &+3&lop& a+ lab&l t(& pa%t)"

4
BMa)t&%i+ ot(&%) i) )t%&+t(: Ma)t&%i+ yo%)&l' i) t%& po.&% ---Lao T

GODBLESS!!!

6 a +5

 a+