MATH QUIZ

1. An online shop sells a certain calculator for P950 and charges P150 for shipping within Manila, regardless of the number of calculators ordered. Which of the following equations shows the total cost (y) of an order as a function of the number of calculators ordered (x)?

• a. y = (950 + 150)x

• b. y = 150x +950

• c. x = 950y + 150

• d. y = 950x + 150

2. Nelia takes 3 4 hour to dress and get ready for school. It takes 4 5 hours to reach the school. If her class starts promptly at 8:00 am, what is the latest time she can jump out of bed in order not to be late for school?

• a. 6:42 am

• b. 6:27 am

• c. 6:57 am

• d. 7:02 am

3. A child has read 2/3 of a book. The read part of a book has 100 pages more than the unread. How many pages is the book?

• a. 150

• b. 200

• c. 300

• d. 350

4. If a box contains 9 yellow, 5 black, and 14 green balls, find the probability of getting a green

• a. 0.35

• b. 0.14

• c. 0.5

• d. 0.55

5. A card is drawn from a deck of playing cards. What is the probability that the card is black?

• a. 1/ 9

• b. 1 /6

• c. 1/3

• d. 1/ 2

6. A 12L solution that was 85% vinegar was mixed with an 8L solution of pure water. Find the new concentration of vinegar

• a. 41

• b. 42.5

• c. 51

• d. 52.5

7. What is the slope of the line 3x – y = 11?

• a. -1/3

• b. 1/3

• c. -3

• d. 3

8. In a right triangle, cos ø = 3 5 , what is the value of tan ø?

• a. 4/ 5

• b. 7 /5

• c. 3/ 4

• d. 4 /3

9. What is the slope of the line passing through (2, 5) and (-3, 9)?

• a. 4 /5

• b. 5/4

• c. -4/5

• d. -5/4

10. Determine the midpoint of the line segment joining the points (7, -3) and (-1,6).

• a. 2, 3/ 2

• b. 2, - 3/ 2

• c. 3, 3/ 2

• d. 1, 5/ 2