# MAT 126 Week 1 Quiz

This document MAT 126 Week 1 Quiz contains solutions on these questions:

1. In a survey of 24 college students, it was found that 16 were taking an English class, 17 were taking a math class, and 10 were taking both English and math. How many students were taking a math class only?

2. Find the general term of the set. {8, 12, 16, 20, 24, . . .}

3. Let U = {5, 10, 15, 20, 25, 30, 35, 40}

4. Upon examining the contents of 38 backpacks, it was found that 23 contained a black pen, 27 contained a blue pen, and 21 contained a pencil, 15 contained both a black pen and a blue pen, 12 contained both a black pen and a pencil, 18 contained both a blue pen and a pencil, and 10 contained all three items. How many backpacks contained exactly two of the three writing instruments?

5. Write the set using set-builder notation: {natural numbers greater than 11}.

6. Find the number of subsets the set has. {1, 2, 3, 4, 5, 6, 7, 8, 9}

7. Let U = {5, 10, 15, 20, 25, 30, 35, 40} A = {5, 10, 15, 20} B = {25, 30, 35, 40} C = {10, 20, 30, 40}. Find A ? B.

8. Use inductive reasoning to find a pattern, and then make a reasonable conjecture for the next number in the sequence. 7 8 10 13 17 22 28 ____

9. The process of arriving at a general conclusion based on the observation of specific examples is called ___________

10. Which statement is false?

11. Phil has 15 stamps of denominations $0.37 and $0.23. If the total value of the stamps is $4.85 how many $0.37 stamps does Phil have?

12. Which of the following expressions finishes the equation to demonstrate the associative property of addition?

13. Which sentence is not a statement?

14. Which of the following phrases does not describe the number -??

15. Find the general term of the set. {2, 4, 6, 8, 10, . . .} ...

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