Division of Polynomials

Mathematics 10 Learner’s Module

Answers to Activity 8: Apply Your Skills

Answered by Ruel A. Cervantes, 

Division of Sarangani, 

Lun Padidu National High School

Solve the following problems. Show your complete solutions.

1. The total cost of (3a-2b) units of cell phone is (6a^2+5ab-6b^2) pesos. What expression represents the cost of one cell phone? Solution

2. If one ream of bond paper costs (3x-4) pesos, how many reams can you buy for (6x^4-17x^3+24x^2-3x+24) pesos? Solution

3. If a car covers (15x^2+7x+24) kilometers in (3x+2) hours, what is the average speed in km/hr? Solution

4. The volume of the rectangular solid is (x^3+3x^2+2x-5) cubic cm, and its height is (x+1) cm. What is the area of its base? Solution

5. The area of a parallelogram is (2x^2 11x-9) square units. If the length is given by (2x-3) units, what expression represents its width? Solution

6. If a car moving at a constant rate travels (2x^3-x^2-4x+3) km in (x^2-2x+1) hours, what is the rate of the car in km per hour? Solution

7. A tailor earns (12y^2+y-35) pesos for working (3y-5) hours. How much does he earn per hour? Solution