1. Study this table. Algebraic Expressions VariablesConstantsOperation Involved a + 2a2 Addition 3xx3 multiplication ½ y – 3y½, 3 Multiplication and subtraction a, b2 Addition and division y2 division next

2. Identify the constants, variables, and the operations involved in the following algebraic expressions. Click on the letter of your answer. a. 5 and -1 b. x What is the variable in 5x – 1

3. Sorry! Wrong answer. back

4. Perfect! You may proceed. next

5. What is the constant in the expression 4πr? b. 4 π4 π a. 44

6. Sorry! Wrong answer. back

7. Perfect! You may proceed. next

8. What are the operations involved in this expression ? a.addition and divisionaddition and division b. divisiondivision

9. Sorry! Wrong answer. back

10. Perfect! You may proceed. next

11. Decide whether each quantity is constant or variable. 1. the electric bill each month constant variable

12. Correct! Since the electric bill changes or varies every month. next

13. Sorry! Wrong answer. back

14. 2. the number of days in a week variable constant

15. Correct! Since the number of days in a week does not change. There is always 7 days in 1 week. next

16. Sorry! Wrong answer. back

17. List the possible values of the variable. Write your answer on your paper. Example: j is a positive number greater than 2 but less than 5 answer: j = 3 and 4 a. m is a negative integer greater than -3. b. d is an odd number greater than 10 but less than 20. EXIT