LS 3 Math Flashcards
What kind of angle is formed if the clock shows 3:50?
(A) Acute angle
(B) Reflex angle
(C) Right angle
(D) Obtuse angle
(B) Reflex angle
If the amount of rainfall is inversely related to the average temperature of a place, in which city above would rain be the heaviest?
(A) Cebu City
(B) Davao City
(C) Manila City
(D) Tagaytay City
(D) Tagaytay City
Mang Ben applied for a loan in a multi-purpose cooperative, with 6% interest per annum and payable within a year. He agreed to pay a monthly amortization every 10th of the month. If Mang Ben failed to pay his monthly amortization, which of the following will possibly happen?
(A) Mang Ben will be charged a penalty.
(B) Mang Ben will be awarded as a good payor.
(C) Mang Ben will apply for another loan from other cooperatives.
(D) None of the above
(A) Mang Ben will be charged a penalty.
Which values of x will satisfy the absolute value equation x-6 = 4
(A) 10, 2
(B) 12, 4
(C) 14, 6
(D) 16, 8
(A) 10, 2
A group of 1500 ALS completers needs to be surveyed to find out which academic track they would like to take in senior high school. For this survey, a 0.05 margin of error was considered for accuracy. Using Slovin’s Formula, which of the following is the correct sample survey size?
(A) 313
(B) 314
(C) 315
(D) 316
(B) 314
The time to complete a project varies inversely with the number of employees. If three employees can complete the project in eight days, how long will it take for two employees to finish the project?
(A) 8 days
(B) 10 days
(C) 12 days
(D) 14 days
(C) 12 days
Based on the right triangle above, with X, Y, and Z as measures of the three sides, respectively, which of the statements describes the relationship among the sides?
(A) The sum of the squares of X and Y is equal to the square of Z.
(B) The sum of the squares of X and Z is equal to the square of Y.
(C) The sum of the squares of X and Z is less than the square of Y.
(D) The sum of the squares of X and Y is greater than the square of Z.
(A) The sum of the squares of X and Y is equal to the square of Z.
I. y = 2x + 5
II. y = 2x – 5
III. y = 2x + 3
Which of the following are equations of lines that are parallel to each other?
(A) I and II only
(B) I and III only
(C) II and III only
(D) I, II and III
(B) I and III only
Which of the following functions has a graph of parallel lines?
(A) g(x) = ½x-4 and h(x) = -2x + 2
(B) f(x) = 3x + 3 and j(x) = 3x-6
(C) g(x) = ½x-4 and f(x) = 2x + 3
(D) j(x) = 2x-6 and h(x) = - 2x + 2
(B) f(x) = 3x + 3 and j(x) = 3x - 6
The weekly pocket expenses of 15 students in Mathematics are Php 37, Php 36, Php 39, Php 40, Php 26, Php 21, Php 25, Php 40, Php 25, Php 21, Php 28, Php 21, Php 27, Php 35 and Php 30, respectively. Which of the following frequency distribution tables shows the correct presentation of data, if the class interval is 5?
Which of the following is the correct order of steps in graphing the linear function that passes through the point (2,1) and with a slope of ?
I. Connect the two points.
II. Draw a Cartesian plane.
III. Locate the given point (2,1)
IV. Move 3 units going upward, and two units going to the right to locate the second point.
(A) I. II, III, IV
(B) II, III, IV, I
(C) III, II, IV, I
(D) IV, I, III, I
(B) II, III, IV, I
A 6-foot-tall pine tree in the park is planted 15 feet from a lighted streetlight whose lamp is 18 feet above the ground. Which of the following representations suits the problem?
A.
B.
C.
D.
The table above shows the lumber needed by Mang Lito. Using the formula, T x W x L ÷ 12, where T is thickness, W is width and L is length, which size of lumber has the highest number of board feet needed by Mang Lito?
(A) 1” x 2” x 8”
(B) 2” x 2” x 24”
(C) 2” x 4” x 16”
(D) 4” x 4” x 14”
A survey has been conducted on the preference of 200 women for healthy drink. The results of the survey were the following:
* 100 preferred water infused with lemon.
* 90 preferred water infused with cucumber.
* 60 preferred water infused with lemon and cucumber.
Based on the data given above, how many respondents preferred either lemon or cucumber?
(A) 70
(B) 75
(C) 80
(D) 85
If Sally is going to construct a triangle, what tool will she used to measure the length of a side?
(A) ruler
(B) pencil
(C) compass
(D) protractor
The monthly income of the Fajardo family is budgeted as follows:
* 30% for food
* 25% for utilities
* 20% for education
* 10% for incidental expenses
* 10% for gasoline
* 5% for savings
Which of the following graphs will clearly illustrate their budget?
(A) bar graph
(B) circle graph
(C) line graph
(D) trigonometric graph
Kiko wanted to be at least 69 inches tall in height. At present, he is 56 inches tall in height. Which of the following mathematical statements represents the given situation?
(A) 56 + x ≥ 69 : x ≥ 13
(B) 56 – x ≤ 69 : x ≤ 13
(C) 69 + x < 56 : x > 13
(D) 69 – x > 56 : x < 13
Maria is an accountant of ABC Company. She will present the expenses of the company to the board of directors. Which kind of graph should be used by Maria to describe the data above?
(A) bar graph
(B) line graph
(C) pie graph
(D) trigonometric graph
Which of the following statements correctly describe a population and a sample?
I. A population is a group of persons or things that will be studied.
II. A sample is a part of the population.
III. A population is a part of the sample.
IV. A sample is larger than the population to be studied.
(A) I and II only
(B) I and IV only
(C) II and III only
(D) III and IV only
Aljon, who is 6 feet tall, stands on top of his office building and sights a house in an adjacent village. He observes that the angle of depression from the top of the building to the house is 12 degrees. The building is 60 meters high, and the house is 20 feet high.
How far is the house from the building?
(1 foot = 0.3048 meter, tan 12 degrees = 0.2125)
(A) 152 m
(B) 185 m
(C) 262 m
(D) 335 m
Based on the description above, which information is relevant for obtaining the distance from the house to the building?
(A) Height of Aljon
(B) Height of the house
(C) Height of the building
(D) Distance from the village