Saint Catherine AcademyZone Libra,Suarez Iligan City

First Periodical ExamMathematics -Grade 7(A & B)

Name:________________________________________________________________ Date:__________Teacher:________________________________________________________ Score:__________I.Multiple Choice:Choose the best answer among the given choices.Write the letter of your answer on the blank before each number.

_______1. The value of 5-(-16) is___________. a.-21 b.-11 c. 11 d. 21_______2. Which expression has a value less than -3?

a. 4 + (-5) b. -7 + 13 c. 3 + (-7) d. 0 + 4_______3. What is the value of the expression – 18 + 18 + ( -4) ?

a. 40 b. -18 c. -4 d. 4 _______4. Which expression has the geatest value?

a. -5 + 5 b. 3 + (-8) c. -4 + ( -2) d. -7 + 2_______5. Simplify : -4 + ( -4) + [ - ( -6) + 2 ] .

a. 4 b. 0 c. -4 d. -12

_______6. Evaluate : x+15 yz if x = - 6 , y = 9 , and z = -3 .

a. -43 b. 147 c. -13 d. – 47_______7. A number expressed in the form a x 10n is called _______.

a. Significant figures b. Rational number c. Integer d. Scientific notation_______8. The square root of 81 is _____.

a. 9 b. 4 c. 3 d. 6_______9. The number under the radical sign is called ______.

a. Radicand b. Radical c. Exponent d. Index_______10. The symbol √ is called a __________.

a. Radicand b. Radical c. Exponent d. Index_______11. Find the square root of 484.

a. 22 b. 11 c. 0 d. 12

_______12. Add 25 +

35 = _____.

a. 1 b. -1 c. 12 d. -

14

_______13. The symbol ≠ is read as “ ___________________”.a. “ is equal to “ b. “ is less than “ c. “ is not included “ d. “ is not equal to “

_______14. Find the quotient : ( - 63 ) ÷ 9 = ____.a. 7 b. -7 c. -5 d. 6

_______15. Simplify 90 - 10 x 8 + 32 ÷ 8.a. 14 b. -9 c. 10 d. 5

_______16. Find the product -7 x ( -6) .a. 42 b. – 42 c. 36 d. – 54

_______17. Evaluate | 6 | + | 5 | .a. 11 b. 1 c. -11 d. -2

_______18. Which is smaller ?a. -5 b. 0 c. -8 d. - 20

_______19. It consist of a rectangle represents the universal set and a circle or circles inside the rectangle to represent the set or sets being considered in the discussion.

a. Complement of a set b. Venn Diagram c. universal set b. d. Real number system

_______20. The following sets are well – defined EXCEPT _______.A. A set of odd integers b. A set of honest people c. a set of rational numbers

d. a set of whole numbersIII. MATCHING TYPE : Match column A to column B. Write only the letter of your answer on the space provided for. COLUMN A COLUMN B_______ 1. It is a collection of objects A. Empty set_______2. It is a method of describing a set in words B. Listing Method_______3. A set with no element C. Equivalent set

________4. The symbol ∈is read as ___ D. Cardinal number_______5. This is a method of describing a set by listing E. Intersection of Sets A and B each elemnt of the set inside the symbol {} F. Equal sets______6. Two sets that contaion exactly the same number of elements G. Sets _______7. It is the number of elements in the set H. ∪______8. Two sets taht contaion exactly teh same elements I. Positive integers______9. It is a set of elements that are members of both A and B J. Verbal Description Method______10. The symbol for union is K. Origin______11. These are integers that are greater than 0 L. { }______12. The point on the number line assigned to 0 M. “ is an element of “______13. The symbol for an empty set N. Finite set______14. A set that has a definite number of element O. Zero______15. It is neither positive nor negative P. “ is not equal to “

Q. Disjoint sets R. ∩

III. Write the integer that represents the situation . Write your answer on the space provided for.1. An elevation of 1 000 ft. ___________2. A loss of 200 lb. ___________3. 350ft. Below sea level ___________4. 6 steps up ___________5. 2 days before Valentines Day ___________

IV. True or False . Write HAPPY if the underlined word/s is true and SAD if it is false. Write your answer on the blank before each number.

______________1. The number zero is neither positive nor negative.______________2. The symbol ≤ means “ less than or equal to “. ______________3. A positive number is always greater than zero.______________4. An even number of negative factors will produce a product that is positive.______________5. The number under teh radical sign is called the radicand.V. Express each in scientific notation. Write your answer on the blank.

1. 380 000 __________________ 4. 0. 000 503 ____________2. 70 000 000 __________________ 5. 3 000 ____________3. 809 000 __________________ 6. 81 000 ____________

VI. State the number of significant figures in each number . Write your answer on the blank.

1. 5.23 _____ 4. 0. 048 ____2. 2 340 _____ 5. 450 000 ____3. 7 500 _____ 6. 0. 00140 ____

VII. Add or subtract . Write your answer on the blank. 1. 9 + ( -4) = _______ 4. 7 - (9 ) = ____2. - 5 + ( -6 ) = _______ 5. – 15 - ( -12) = ____3. - 4 + 4 = _______ 6. - 10 - 8 = ____

VIII. Replace each with ¿ ,>,∨¿ . Write your answer inside the box.

1. 5 10 4. 9 6

2. -3 -1 5. -8 -8

3. -8 4 6. -11 -10IX. Let A = { 1 , 2 , 3 , 4 , 5 , 6 } , B = { 2 , 4 , 6 } , and C = { 1 , 6 , 7 }. Find :

1. A ∩ B ____________ 4. ( A ∩ B ) ∩ C ____________2. A ∩ C ____________ 5. (A ∪ C ) ∪ B ____________3. A ∪ C ____________

X. Use a Venn diagram to show the relationship between the given sets below. Given : ∪={1 ,2 ,3 ,4 ,5 ,6 ,7 } A = { 2, 4, ,6 ,7 } B = { 1, 2, 4, 5 , 7 }

“In times of confusion or whenever you’re running of choices , be reminded of one thing :PRAYER changes things.”

GOODLUCK AND GODBLESS!!!

~ Teacher Tin

Saint Catherine AcademyZone Libra,Suarez Iligan City

First Periodical ExamMathematics -Grade 8(A & B)

Name:________________________________________________________________ Date:__________Teacher:________________________________________________________ Score:__________

I.Multiple Choice:Choose the best answer among the given choices.Write the letter of your answer on the blank before each number.

_____1.A polynomial with one term is called a ____.

a.monomial b.trinomial c.binomial d.polynomial

_____2.Simplify 12×2 + 3 + 8 x2 a. 27x2 + 3 c. 34x2 + 3b. 20x + 3 d. 50x2 + 3

_____3. Simplify x6 . x3

a. x9 c. x2

b. x3 d. X18

_______4. Factor Completely 5x + 10.a. 5(x + 2) c. 2(x + 5)b. X(5 + 2) ` d. 10(x + 5)

_______5. Factor completely 9a2 – 49.a. (3a + 7) (3a -7) c. (9a – 7) (9a + 7)b. ( 7a + 3) (7a – 3) d. (3a + 7) (3a – 7)

_______6. Multiply ( 4t + 7) (4t – 7)a. 16t2 – 49 c. 16t2 + 49b. T2 – 49 d. T2 + 49

_______7. Find the product (2x + 7)3

a. 8x3 + 84x2 + 294x + 343 c. 8x3 – 84x2 – 294x + 343b. 8x3 +16x 2+20x + 343 d. 8x3 – 16x2 + 20x + 3

_______8. Divide x 9 x3

a.x6 b. x2 c. x3 d. x9

______9. Multiply 7x2 (3x + 9 ) .a. 21x3 + 63x2 c.21x + 63b. 21x2 + 63 d.21x2 + 63x2

_____10. Simplify (x3)3 .a. x9 b. x6 c. x3 d. X0

II. Identify the given polynomial as Monomial, Binomial, or Trinomial . Write your answer on the space provided for. ( 2 pts. Each )

1. -73 _______________2. X 2 _______________

2 3. X2 + 4xy + y3 _______________4. 2 + 5x2 _______________5. 11 + 2y _______________6. 10 a2 b2 _______________

7. 3x3 – 6x2 + 2 _______________8. 5x3 + 4y 3+ z3 _______________9. 4m3 – 2m + 5 _______________10. 4a3 - a2 - 5 _______________

III. Tell wether each statement is TRUE or FALSE. Write your answer on the blank.

________1. The degree of trinomial is always 3 .________2. The degree of the polynomial 2x2 – x is 2 . ________3. If the terms differ by at least one variable ,they are called unlike terms.________4.The degree of 4 a2 b3 c is 6.________5.A ploynomial with three terms is called a trinomial.________6. In the polynomial x2 – x + 1 ,the coefficient of x is 1.________7.The degree of the polynomial 3x2 + 6x – 8x3 + 7 is 2.________8.The polynomial 3x2 – 3x +6 is a trinomial.________9. The difference of the aquares of two terms is the product of the sum and difference of those terms.________10. The product of (x 2y + 4z) 2 is x2 + 4y2 + 16z2 + 4xy + 8xz + 16yz.IV. Find the middle term . Write your answer on the blank. ( 2 pts each)

First Term Second Term Twice the product of two terms1. 5a 9 ____________________________2. y 7 ____________________________3. 4x 7y ____________________________4. t 2 ____________________________5. 3t _1_ ____________________________

2

V. Evaluate . (2 pts each) 1. 13 = ____________ 4. 42 = _______________2. 23 = _____________ 5. 72 = ________________3. 33 = _____________ 6. 92 = ________________

VI. Perform the following multiplications:1. mn (m – n) __________________ 4. (2d + 3) (3d) __________________ 2. q2r (-q + r – t) __________________ 5. 2(2c – 1) __________________3. 5a4 (6y -7 ) __________________ 6. 8(x + 1) __________________

VII. Write each perfect square 9s a trinomial . ( Show all your solutions)1. ( x + 9)2

2. (3x – 5)23. ( 3x + 4y)2

4. (a – 5b)2

VIII. Expand each . (Show all your solutions)

1. (3x + 4y)3 2. (7x – y)3

IX. Multiply and Simplify . ( Show all your solutions)

1. (11 – x)

2. (5a + 7b) (5a – 7b)

3. (x +4) (x-4)

“In times of confusion or whenever you’re running of choices , be reminded of one thing :PRAYER changes things.”

GOODLUCK AND GODBLESS!!!

~ Teacher Tin

Saint Catherine AcademyZone Libra,Suarez Iligan City

First Periodical ExamMathematics – Fourth year

Name:________________________________________________________________ Date:__________Teacher:________________________________________________________ Score:__________I.Determine wether or not each relation is a function. Write Function or Not on the space provided.

1. { (2,3) , (4,5) , (6,6) } _______________2. { (4,5) ,(4,6) , (5,5) , (5,6) } _______________3. { (-2,-2) ,(-1,-1),(0,0) , (1,1) } _______________4. { (-6,6), (-4,4), (-2,2), (0,0) } _______________5. { (5,1), (5,2), (5,3) } _______________6. { (6,7), (6,8), (7,7), (7,8) } _______________

II. Determine whether or not each function is Even or Odd. Write E or O on the space provided.1. f(x) = x3 – 1 _______________ 4. h(x) = x4 – x2 _____________2. f(x) =x3 – x _______________ 5. h(x) = x2√1−x2 _____________3. f(x) = 3x3 – x4 + 1 _______________ 6. h(x) = 3 x3 – 4x5 _____________

III. Determine whether or not each statement is True or False. Write T or F on the blank before each number. ( 2pts each)______________1. If f (x) = x – 3 and g (x) = x + 4 , then ( f – g ) (x) = - 7

______________2. If f(x) = x + 6 and g (x) = 3x , then ( fg ) (3) = 1 .

______________3. If f(x) = 4x – 12 and g (x) = x – 3 , then ( f + g) (2 ) = - 5.______________4. If f(x) = x + 3 and g (x) = 4x , then ( f ∙ g ) ( 2 ) = 40.______________5. If f ( x) = 3 + 2 and g (x) = 4x – 1 , then ( f – g ) ( -3) = 6.______________6. The functions f ° g and f ∙ g are always the same.______________7. If f (x) = √ x and g (x) = x – 4 , then g ( f(x) ) = f ( g (x) ) for every x.

______________8. If f (x) = 2x and g(x) = x2 , then ( f ° g) ( x) = x.

____________9. If f(x) = x3 + 5 and g (x) = ( x2 + 2x ) 2 , then ( g ° f ) (2) = 24

_____________10. If f ( x) = 2x , then f -1 (x) = 1

2x .

IV. Find the inverse of each function. State whether f -1 is a function or not . Write the word of your answer On the space provided for.

1. F = { ( 5 , 4 ) , ( 0,3) , ( 1, 0 )} ____________________2. F = { (1 , -1 ) , ( 3 , 5 ( -4 ,1) , (-3, 5) } ____________________3. f = { ( 2 , 5 ) , ( -5 , -2 ) , ( 4 , 3 ) , ( -8 , 5 ) } ____________________V. Find the inverse of each function. Show all solutions.( 5pts each)1. f ( x ) = 2x2 – 32. f ( x ) = x3 + 13. f ( x ) = √ x4. f ( x ) =

1−xx

VI. Find : a. ( f ° g ) (x) b. ( g ° f ) (x)

1. f(x) = 2x , g (x) = x + 52. f(x) = 4x , g (x) = x – 3

VII. Find f + g , f – g , fg , and fg .

1. f(x) = 3x + 4 , g (x) = 2x - 12. f(x) = 2x - 5 , g (x) = 4x2

“In times of confusion or whenever you’re running of choices , be reminded of one thing :PRAYER changes things.”

GOODLUCK AND GODBLESS!!!

~ Teacher Tin