The Lord’s Wisdom Academy of Caloocan,Inc. 1162 Santolan St. Corner Guyabano St. Area D.,Brgy. 178 Camarin, Caloocan City JUNIOR HIGHSCHOOL DEPARTMENT Math 8 Quiz No. 2 (2nd Quarter) Name: ______________________________ Grade/Section: Score: ________ Teacher: _________________Date: __________________Parent’s Signature_______ I. Choose the letter of the best answer. ____1. What is the base in the power (2x + 6)3? A. 3 B. 2x C. 2x + 6 D. x + 3 4 ____2. What is the exponential form of “the square of b ”? A. b4 B. 42 C. (b2)4 D. (b4)2 ____3. Who introduce and used the idea of rectangular system to translate geometry problems to algebra and vice versa? A. Apollonius C. Rene Descartes B. Archimedes D. John Locke ____4. What is called in two perpendicular number lines? A. Axes B. Axis C. Origin D. Integers ____5. What is the term used to the intersection of y-axis and x-axis? A. Origin B. Plane C. Point D. Quadrant ____6. What is the another term for x-axis? A. Axis of the abscissa C. Coordinates B. Axis of the ordinates D. Quadrant ____7. How many quadrants in Cartesian Coordinates Plane have? A. 1 B. 2 C. 3 D. 4 ____8. What quadrant point (-3, -8) is located? A. Quadrant l C. Quadrant lll B. Quadrant ll D. Quadrant lV ____9. Which of the following points is located in Quadrant l? A. (2, 3) B. (-6,-6) C. (-3,4) D. (6,-5) ____10. What is the other term for Cartesian Coordinate Plane? A. Axes B. Origin C. Plane D. XY Plane II. Write F if the given set is Function and NF if it is not. 1. (1,3),(1,5),(1,-9),(5,5),(6,-9) 2. (3,6),(4,5),(5,3),(6,2),(7,1) 3. (8,5),(7,5),(6,5),(5,5),(4,4) 4. x -5 -3 5 6 10 y 5 4 3 2 1 _____5. x 2 3 2 3 2 y 1 2 3 4 5 III. Determine the coordinates of each points. 1. A = __________ 2. B = __________ A 3. C = __________ 4. D = __________ E 5. E =___________ D C B
lV. Find the value of each function 1. f(x)= x + 25 ; f(2) ____________________ 2. f(x)= x2 – x + 9 ; f(3) ____________________ 3. f(x)= 3x3 ; f(3) ____________________ 4. f(x)= x3 - 3x2 ; f(5) ____________________ 5. f(x)= 25x + 9 ; f(0) ____________________