1. What do you call the first coordinate of an ordered pair representing a particular point?
Answer: abscissa
2. It is the longest chord that you can find in a circle.
Answer: Diameter
3. It is a science dealing with logical reasoning, shapes and arrangements.
Answer: Mathematics
4. An area of mathematics concerned with limits and with integration and differentiation of functions.
Answer: Calculus
5. What is another term for “average?”
Answer: Mean
6. An angle that measures more than 90 degrees but less than 180 degrees.
Answer: obtuse angle
7. A polygon with 12 sides.
Answer: Dodecagon
8. How many dimension/s does semi-circle have?
Answer: 2
9. It is the longest side of the 90 degree triangle.
Answer: Hypotenuse
10. A segment that joins any point on the circle to its center.
Answer: Radius
11. Twice a number is 18 more than another number. Find the two numbers if four times the larger number exceeds five times the smaller number by 15.
Answer: 29 , 40
12. The sum of three consecutive prime numbers is equal to two times the larger prime number plus 13. If we add all the digits of the three prime numbers we will get a sum of 14. Find the three prime numbers.
Answer: 5, 7, 11
13. Find the value of x, xx^ (2) +2x=20, xx+22^(x) =20.
Answer: x=2
14. Joan invested Php 50,000, part at 10% and the rest at 15%. If her income for one year from these investments totals Php 6,200, how much was invested at each rate?
Answer: Php 26,000 at 10%, Php 24,000 at 15%
15. Tekla invest a total of Php 17,000, part at 7% and part at 3%. Her total income for 2 years is Php 2,220. How much did she invest at each rate?
Answer: Php 15,000 at 7% , Php 2,000 at 3%
16.The numerator of a fraction is equal to twice the denominator plus 1. If the denominator is doubled and the numerator is decreased by 3, the difference between the original fraction and the new fraction is 9/7. Find the new fraction.
Answer: 6/7
17. Find the exact value of log11501.
Answer: ln501/ln11
18.Find the greatest common factor of the following: 100, 168, 88 and 16.
Answer: 4
19.Socorro is now 24 years old and Tekla is 14 years old. How many years ago was Socorro’s age is twice the age of Tekla.
Answer: 4 years
20. Joanna is 6 years older than Jake. Josh is 2 years older than Jake, the sum of their ages is 46. How old is Jake?
Answer: 14 years old
21. A number is twice the other number. If twice the larger number is equal to four times the smaller number. Find the two numbers?
Answer: All real numbers possible.
22. Mary and Lisa were on the Zee’s park, they decided to find silver stores at opposite direction. Lisa walks 3 km to the north from the Zee’s park and 4 km to the east then she found Mr. Kano’s silver store. Mary walks 8 km to the west from the park and 6 km to the south then she found Ms. Essie’s silver store. Find the distance between Mr. Kano’s store and Ms. Elsie’s store.
Answer: 15 km
23. At what value will the area of a circle is equal to its radius?
Answer: Area = radius = 1/π
----To be continue ---
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