Soal UH 8 DT 1 Algebraic

(1)

Mathematics Test of Algebraic Form for 8RSBI-1

Choose The Coreect Answer by giving cross mark on the alphabet in front of the answer

1.

The simplest form of −7a+6b−3a−4b is…

a. –10a – 2b b. –10a + 2b c. –4a - 2b d. 4a + 2b

2.

The sum of

(

5a−7

)

∧

(

–2a+13) is … a. 3a – 6

b. 3a + 20 c. 3a – 20 d. 3a + 6

3.

The sum of −5

(

3y+1)∧3

(2

y−7

)

is … a. −21y−26

b.

−

9

y

−

26

c. −9y−12 d.

−

9

y

−

16

4.

The difference of

(

15x−19y

)

¿

(

7x−4y

)

is …

a.

−

8

x−

23

y

b. 8x−15y c.

8

x+

15

y

d. −8x+15y

5.

The product of

(

3

x+

2

)(

2

x−

3

)

is …

a .

6

x

2

+

13

x−

6

b .6x2

+5x−6

c .

6

x

2

−

5

x−

6

d .6x2+3x−6

6.

The product of

(

3

a−

2

)

2 is … a.

9

a

2

+

4

b. ₉_a2

−12a+4 c.

9

a

2

−

6

a+

4

d. ₉_a2

−12a−4

7.

The product of

(

a−b

)

(

a

2

+

2

ab+

b

2

)

_{is ...}

a. _a3 +a2_b

+3a b2 −b3

b.

a

3

+

2

a

2

b−

2

a b

2

−b

3

c. _a3

+3a2b−3a b2−b3

d.

a

3

+

a

2

b−a b

2

−b

3

8.

The product of

(

2

x

−

3

)

3 is … a.

x

3

−

3

x

2

+

3

x−

27

b. 8x3

−18x2

+29x−27 c.

8

x

3

−

36

x

2

+

54

x

−

27

d. ₈_x3

−36x2

+27x−27

9.

The factorization of

8

x y

2

−

12

x

2

y

_{is …} a.

4

xy

(

2

y−

3

x

)

b. −4xy

(

2y−3x

)

c.

−

4

xy

(

2

y

−

3

x

)

d. −4xy

(

2y+3x

)

10.

2

y

2

−

20

y+

50

is … a.

2

(

y−

5

)

2

b. 2

(

y+5

)

2 c.

2

(

y−

5

) (

y

+

5

)

d. 2

(

y+5

)(

y−5)

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11.

2

x

2

−

32

is … a.

(

2

x

−

4

)(

x

+

8

)

b. 2

(

x+4) (x−4

)

c.

(

2

x

+

4

) (

x−

8

)

d. 2

(

x−4

)(

x−4

)

12.

The factorization of 12x2_{– 2xy – 10y}2_{is …..}

a. (6x – 5y)(2x + 2y) b. (6x + 5y)(2x – 2y) c. (4x – 5y)(3x + 2y) d. (4x + 5y)(3x – 2y)

13.

One of the factor of

4

x

2

+

10

x+

6

is … a.

(

4

x

+

3

)

b.

(2

x+6

)

c.

(

2

x

+

3

)

d.

(2

x+6

)

14.

The simpliest form of

2

x

2

+

3

x

−

9

x

2

−

9

2

x

2

−

3

x−

9

x

2

−

9

is ….

a.

2

x−

3

c.

2

x−

x

+

3

b.

2

x

x−

+

3

d..

2

x

+

3

15.

The sum of

2

3

x−

2

−

5

2

x+

1

is …..

2

3

x−

2

+

5

2

x

+

1

a.

−

11

x

+

12

6

x

2

−

x−

2

c.

−

11

x+

4

6

x

2

−

x−

2

b.

19

x

+

12

6

x

2

−

x−

2

d.

19

x−

8

6

x

2

−

x−

2

16.

Use model Algebraic tiles to calculate the multiplication of

(

2x+3

)

(x+2) and

(2)

17.

Determine two different number to complete the following algebraic

expression so that it can be factorized as multiplication of two binomial then show the factors _x2

−2x−…

18.

Expand the following exponent binomial !

2

x

+

3

¿

19.

Simplify the following expression :

y

2

−

8

y

2

−

5

y−

24

=

¿

20.

Simplify the sum of the following algebraic fraction !

3

x

2

+

5

x+

4

+