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I. Choose the letter of the correct answer. Write your answer before the number. 1. How can you tell if an inequality will have a solid line? a. It has an equal sign c. The symbol is greater than b. the symbol has "or equal to" d. the symbol is lesser than 2. Which of the following is a linear inequality in two variables? a. 7x - 4y = 3 C. 2t 2x +3 is a solid line. c. The boundary line of x + 3y 1 is a linear inequality. d. (1, 1), is a solution of x + y > 1 6. Which of the following ordered pairs are solution of the inequality x + 3y 2 4? a. (-1,-3) b. (2, -5 ) c. (0, 0) d. (3, 3) 7. Two or more linear inequalities in the same variable x and y are called a. linear equation c. linear inequalities b. system of linear inequalities d. system of linear equation 8. Which of the following is a system of linear inequalities in two variables? a. 2x - 7y = 8 - * + 9 2 2 _ 2x - 3y > 12 b. 3x + 5y =-2 d . 4x + 1 =8 x - 4y = 9 3y -7=11 9. Which of the following statements is true? a. The overlapping region of the graph of system of linear inequalities is the solution of the system. b. The non - overlapping region of the graph of system of linear inequalities is the solution of the system. c. The graph of the system do not overlap. d. None of the above 10. A restaurant owner would like to make a model which he can use as guide in writing a linear inequality in two variables. He will use the inequality in determining the number of kilograms of pork and beef that he needs to purchase daily given a certain amount of money (C), the cost (A) of a kilo of pork, the cost (B) of a kilo of beef. Which of the following models should he make and follow? I. Ax + By C a. I and II b. I and III c. II and III d. I, II, and III1 1. Which of the following ordered pairs represents a function? a. {(-2, 2), (- 3, 2), (-5, 2), (-2, -2) } b. {(1, 2), (2, 3), (3, 4), (4, 5) } C. {(-3, 0), (-3,1), (-3, 2), (-3, 3)} d. {(1, 5),( 2, 6), (2, 7), (1, 6)} 12. Which of the following graphs DOES NOT represent a function? De 929/ MAK 13. Which of the following statements is true? a. A relation is a set of inputs and outputs that are related in some way. b. In a relation, each input has exactly one output. c. All of these are true statements. d. All relations are function. 14. A relation is shown. Consider the input 7. What output is it related to? Input 3 5 7 S 11 Output 27 83 140 197 254 a. 14 b . 7 c. 197 d. 7 is not an input in this relation 15. Relation and functions can be represented by the following EXCEPT. a. Mapping diagram b. Table c. Graph d. Flow Chart 16. Rey rode a motorcycle from a bus terminal to a Mall whose distance is approximately three kilometers. After riding, he paid an amount of P250. Which variable is dependent? a. the amount paid c. the distance travelled b. the person riding the taxi d. taxi riding 17. Claire is getting ready for a hike. The number of snacks she packs is determined by how many hours she expects to be gone. Which of the following is the independent variable? a. the number of snacks Claire packs c. the number of hours Claire expect to be gone b. the number of hours Claire would arrive d. the number of hours she prepared the snacks 18. Mr. Lim sets up an experiment to see how the mass of the ball affects the distance it rolls off a ramp. Which of the following is the independent variable? a. mass of the ball c. height of the ramp b. weight of the ball d. distance travelled by the ball 19. Clark brings plastic bags from home whenever he goes to a store. The number of products on his plastic bags list influences how many plastic bags he brings to the store. What is the dependent variable? a. the number of products on Clark's plastic bags list b. the number of items in the store c. the number of bags Clark brings to the store. d. the size of the store 20. Leiyn is planning to test how the height from which she drops a ball affects how high the ball bounces. Which of the following is the dependent variable? a. diameter of the ball c. force acting on the ball b. height that the ball bounces d. height from which the ball is dropped 21, What is the range of the given set {(1,2),(3,4),(5,6),(7,8)(9,10)} a. {1,3,5, 7,9} b. {2,3,6,8, 10} c. {2,4,6,8, 10} d. {1,2,3,4,5} 22. What is the domain of the function f (x) = | x - 1|? a. All real numbers b. [1, co) c. (-00, 1) d. (-00, -1) 23. What is the range of the function f (x) = x 2? a. All real numbers b. (0, co) C. [0, 00) d. (-00, 0] 24. What is the range of the relation y = 2x2+ 5x, if the domain is the set {-2, -1, 0, 1, }? a. {-18, 0, 7, 26} b. {-7, -2, 0, 8} c. {-18, 0, 8, 26} d. {-7, -2, 0, 7} 25. Which of the following is NOT a method in graphing a linear function? a. Using a point c. using x - intercept and y - intercept b. Using slope and y-intercept d. using slope and a point26. What do you call to a function where the degree is one and its graph is a line? a. Quadratic Function b. Linear Function c. Identity Function d. Trigonometric Function a. -5 27. What is the y-intercept in the function f(x)=9x + 5? b. - 9 28. In the function y= 2-5x, what is f (3)? C. 9 d. 5 a. 1 29. What is abscissa? b. -1 c. 13 d. -13 a. It is an x-coordinate. b. It is a y-coordinate. c. It divides the plane into four regions called quadrant. 30. Which best describes the point (5, -2)? d. It is a point on the xy-plane. a. It is two units above the x-axis and five units to the left of the y-axis. b. It is two units above the x-axis and five units to the right of the y-axis. c. It is two units below the x-axis and five units to the left of the y-axis. d. It is two units below the x-axis and five units to the right of the y-axis. 31. A If only people will follow the governments order, the COVID will be prevented. What do you call the underlined portion in this conditional statement? a. Conclusion b. Hypothesis c. Argument d. the converse 32. If garbages are disposed properly, the dengue diseases will be prevented. What do you call the underlined portion in this conditional statement? a. Conclusion b. Hypothesis c. Argument d. The converse 33. Rewrite the statement "A Triangle is a figure with three sides." In the If-then form. a. A figure has three sides if and only if it is a triangle. b. If a figure is a triangle, then it has three sides. c. If a figure has three sides, then it is a triangle. d. A figure is a triangle if and only if it has three sides. 34. The If-then form of the statement "Parallel lines never intersect," is: a. If two lines intersect, then they are parallel. c. If two lines are parallel, then they never intersect. b. If two lines are not parallel, then they intersect. d. If two lines intersect, then they are not parallel. 35. If mLR + m/M =90, then a. LR = LM c. LR and ZM are right angles b. LR and LM are complementary d. LR and ZM are supplementary 36. What conclusion can you draw from the following two statements? If a person does not get enough sleep, that person will be tired. Carl does not get enough sleep. a. Carl will get enough sleep. c. Carl will be tired. b. Carl should get enough sleep. d. Carl will not be tired. 37. What conclusion can you draw from the following two statements? If you have a job, then you have an income. If you have an income, then you must pay taxes. a. If you have a job, then you must pay taxes. c. If you don't have a job, then you don't pay taxes. b. If you pay taxes then you have a job. d. If you have a job, then you don't have to pay taxes 38. The statement that has the same truth value as the given statement: "If a polygon is a rectangle, then its pairs of opposite sides are parallel." is a. If a polygon is a not a rectangle, then its pairs of opposite sides are parallel. b. If the pairs of opposite sides of a polygon are not parallel, then the polygon is not a rectangle. c. If the opposite sides of a polygon are parallel, then the polygon is not a rectangle. d. If a polygon is a not a rectangle, then its pairs of opposite sides are not parallel. 39. The equivalent statement of "If two angles are not complementary, then the sum of their measures is not 90 is a. If two angles are complementary, then the sum of their measures is 90. b. If two angles are complementary, then the sum of their measures is not 90. c. If the sum of the measures of two angles is 90, then the two angles are complementary. d. If two angles are not complementary, then the sum of their measures is not 90. 40. Consider the following statements: All piano players are musicians. Fred is a piano player. Which of the following is a conclusion which can be drawn from the statements? a. All piano players are named Fred. c. All musicians are piano players. b. Fred is a musician. d. Fred is not a musician