Soal UH 8.1 UH Algebraic

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

−7

a

+6

b

−3

a

−

4

b

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

(

2y−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. −8x−23y b.

8

x

−15

y

c. 8x+15y d.

−8

x

+15

y

5.

The product of

(

3x+2

) (

2x−3

)

is … a .6x2

+13x−6

b .

6

x

2

+5

x

−6

c .6x2−5x−6

d .

6

x

2

+3

x

−6

6.

The product of

(

3a−2

)

2 is … a. 9a2

+4 b.

9

a

2

−

12

a

+

4

c. 9a2−6a+4 d.

9

a

2

−

12

a

−4

7.

The product of

(

a

−

b

)

(

a

2

+2

ab

+

b

2

)

is ... a.

a

3

+

a

2

b

+

3

a b

2

−

b

3 b. a3

+2a2_b

−2a b2

−b3 c.

a

3

+3

a

2

b

−3

a b

2

−

b

3 d. _a3

+a2_b

−a b2

−b3

8.

The product of

(

2x−3

)

3 is … a. x3−3x2+3x−27 b.

8

x

3

−18

x

2

+29

x

−27

c. 8x3

−36x2

+54x−27 d.

8

x

3

−36

x

2

+27

x

−

27

9.

The factorization of 8x y2

−12x2_{y is …} a. 4xy

(

2y−3x

)

b.

−4

xy

(

2

y

−3

x

)

c. −4xy

(

2y−3x

)

d.

−4

xy

(

2

y

+3

x

)

10.

The factorization of 2y2

−20y+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.

The factorization of

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 4x2+10x+6 is … a.

(

4x+3

)

b.

(2

x

+6

)

c.

(

2x+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

x

−3

−3

c.

2

x

x

−3

+3

b.

2

x

x

+3

−3

d..

2

x

x

+3

+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

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

x

2

−2

x

−

…

18.

Expand the following exponent binomial !

2

x

+3

¿

¿

¿

19.

Simplify the following expression :

y

2

−8

y

y

2

−5

y

−24

=

¿

20.

Simplify the sum of the following algebraic fraction !

3

x

x

2

+5

x

+

4

+