 PA 4 SQ 2

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Republic of the Philippines Department of Education Region V- Bicol SCHOOLS DIVISION OFFICE OF CAMARNINES NORTE CAMARINES NORTE NATIONAL HIGH SCHOOL BARANGAY CAMABUGAN, DAET, CAMARINES NORTE MATHEMATICS 7 WEEK 4 PARALLEL ASSESSMENT NAME: _____________________________________________ SECTION : ___________________ DIRECTION: Read each item carefully. Circle the letter of the correct answer. 1. In simplifying an algebraic expression containing the grouping symbols written in the form [ ( { } ) ], which grouping symbol is to be removed first? a. [ ] b. { } c. ( ) d. Any 2. To evaluate the algebraic expression 3 x +¿2, when x =1 , what should be done first? a. Multiply 3 by 1 b. Add 3 and 2 c. Subtract 2 from 3 d. Multiply 3 and 2 3. Find the value of 5 x , if x =10 a. 5 b. 15 c. 50 d. 51 4. If x =3, then what is the value of 2 x – 4? a. 0 b. 2 c. 7 d. 10 5. If x =1 and y=−1 , what is the value of the expression 3 x 2 – 3 y 2? a. 0 b. 6 c. 8 d. 12 6. Given the formula P=2 l+ 2 w , find P if, l=16 and w=12 . a. 8 b. 28 c. 56 d. 112 ( a−b) 7. If a=3 , b=−2 , c=4 ,∧d =−1, find . ( c−d ) 1 1 a. b. c. 1 d. 5 5 3 8. The perimeter of the triangle is represented as a +b+ c. If the value of a is 2cm, b is 4cm and c is 6 cm. What is the perimeter of the triangle? a. 6 cm b. 8 cm c. 10 cm d. 12 cm 9. The area of a square is represented by s 2, find the area of the square if each side is 5 cm. a. 5 cm2 b. 10 cm2 c. 15 cm2 d. 25 cm2  evaluates algebraic expressions for given values of the variable 