JUNIOR HIGH SCHOOLFIRST MIDDLE SEMESTER EXAMINATIONADVENTIST SCHOOL OF DEPOK TIMUR

SCHOOL YEAR 2014 - 2015

SUBJECT : MATHEMATIC GRADE : 8 (EIGHT)

DAY/DATE : WEDNESDAY, OCTOBER 15th 2014

NAMESCORETEACHER SIGN.PARENT SIGN.

I. MULTIPLE CHOICE

1. In which quadrant do you find the point (3, -2) ?a. First quadrantb. Second quadrant c. Third quadrant d. Fourth quadrant2. The following coordinate point which is located in quadrant II is .a. (3, 8)

b. (-3, -8)

c. (-3, 8)

d. (3, -8)

3. The following coordinate point pairs which is located in the same quadrant is .

a. (4, 5) & (-4, -5)b. (-6, 9) & (6, -9)c. (7, -1) & (7, -2)d. (-5, 6) & (5, 6)

4. The following algebraic expressions which has three terms is

a. 3x + 5y -1

b. 3x + 3

c. x + y + z + 3d. xyz5. The coefficient for variables a2 and ab2 in 2a2 4a + 4ab2 3b2 are, respectively. a. -4 and -3

b. -4 and 4

c. 2 and 4

d. 2 and -3

6. The similar terms in 3p2q + 5 pq2 + 3p2q2 4pq2 are .

a. 3p2q and -4pq2

b. 3p2q and 3p2q2c. 3p2q2 and 5pq2

d. 5pq2 and -4pq2

7. The product of a(3a + 8b) is .

a. 3aa + 8ab b. 3a2 + 8b2

c. 3a2 + 8ab

d. a + 11ab

8. The simplest form of 9 4(2x + 5) is .

a. -8x 11

b. -8x + 14

c. 10x + 5

d. 10x + 25

9. The sum of 5ab + 2bc d and 3ab 2bc + 6d is .

a. 8ab + 5d

b. 8ab 5d

c. 8ab + 4bc 5d

d. 8ab 4bc + 7d

10.

Which point is at (3, -3) ?a. F

b. G

c. H

d. I

11. The distance between City A and City B on the map is 4 cm. The scale is 1 : 1.000.000. The actual distance of between City A and City B is .a. 25 km

b. 250.000 cmc. 40 kmd. 400.000 cm

12. The actual distance of City X and City Y is 50 km long. The distance of the two cities on the map is 5 cm. The scale of the map is ..

a. 1 : 10

b. 1 : 250

c. 1 : 100.000 d. 1 : 1.000.00013. T is the middle point of line KL with the coordinate points of K (-11, -8) and L (15, -4). The coordinate point of T is .

a. (4, -12)

b. (2, -6)

c. (4, -4)d. (-26, -12)

14. There are coordinate points A (5, -10) and B (-3, -2). Where is the location of coordinate point A if B is the center point ?a. (2, -12)

b. (-8, -12)

c. (8, -12)d. (-2, -8)

15. The following pairs of terms which is the similar terms is .

a. x and x2b. 2ab and -9ab

c. m2 and n2d. 3x and 3y

II. DO THE FOLLOWING QUESTIONS WITH THE RIGHT ANSWER!

16.

WWWhat are the coordinate points of :

a. a. A (.., ..)

b. b. B (.., ..)

c. c. C (.., ..)

d. d. D (.., ..)

e. e. E (.., ..)

f. f. F (.., ..)

g. g. G (.., ..)

17. The number of terms in 2a 5ab + 4c + 3 is .18. Simplification of the expression 9x2 + 3xy 8y2 -10x2 + 5xy + y2 is .19. The sum of 5a + 8 and 8a + 3 is .

20. The result of subtracting 5x 3y from 9x 6y is .21. The product of 6a(3a2 7b) is .

22. There are coordinate points M (-8, 3) and N (-2, -7). The location of coordinate point A if B is the origin is

23. O is the middle point of line RS with the coordinate points of R (-2, -1) and S (16, 9). The coordinate point of O is .

24. The inventors of Cartesian Coordinate is .25. The other name of coordinate x and y in Cartesian Coordinate System are .

III. DO THE FOLLOWING PROBLEMS IN DETAIL!

26.

Locate these coordinate points into the

coordinate plane!a. M (0, 3)

b. N (-4, 0)

c. A (7, -6)

d. S (-10, -10)

27. Find the sum of 6p 5q 2r and -8p + 6q +9r !

28.

The periphery of this flat shape is .

29. Find the product of 3x(2x2 + 4xy 7y2) !30. Determine the coordinate point of K!

2 Petrus 3 : 9Tuhan tidak lalai menepati janji-Nya, sekalipun ada orang yang menganggapnya sebagai kelalaian, tetapi Ia sabar terhadap kamu, karena Ia menghendaki supaya jangan ada yang binasa, melainkan supaya semua orang berbalik dan bertobat.

4z

M (9, 3)

N (-4, 8)

L (-4, -2)

K