1. Find the sum: 7 + 12.
A. 19 B. 19 2 C. 19 + D. 19 + 2
2. Find the difference: 13 − 17
A. 4 B. −4 C. 4 2 D. −4 2
3. Simplify 8 + (−3 − 2).
A. 13 B. 13 2 C. 5 − 2 D. 5 2 − 2
4. Subtract 3 − 6 from 9 − 12.
A. 6 − 6 B. 6 + 6 C. −6 − 6 D. −6 + 6
5. What is the sum of 2 2 − 6 + 10 and 9 − 3?
A. 2 2 + 9 + 19 B. 2 2 − 9 − 19 C. 2 2 + 9 − 19 D. 2 2 − 9 + 19
6. Find the sum of 15 − 9 and 8 + 11.
A. 23 + 20 B. 23 − 20 C. 23 + 2 D. 23 − 2
7. Subtract (−6 + 4 2 − 4) − (−8 + 4 + 6 2 )
A. −2 2 + 2 B. 2 2 − 2 − 8 C. 2 2 − 2 + 8 D. −2 2 + 2 − 8
8. Which of the following are like terms?
A. 2 2 12 2 B. −8 2 − 8 C. 14 − 10 2 D. 9 2 − 5 2 4
9. What must be subtracted from 3 − 4 to produce 2 + 10?
A. − 10 B. − 14 C. + 10 D. + 14
10. Which of the following are unlike terms?
A. −6 − 8 B. −9 2 − 24 2 C. −3 12 D. 12 2 − 21 2
11. What must be added to −6 − 8 to get the sum of 0?
A. 6 + 8 B. 6 − 8 C. −6 + 8 D. −6 − 8
12. What is the sum when 3 2 − 15 − 9 is added to 5 2 + 4 − 6?
A. 8 2 − 11 − 15 B. 8 2 + 11 − 15 C. 8 2 + 11 + 15 D. 8 2 − 11 + 15
13. Subtract (−11 3 + 8 2 + 6 − 3) − (7 2 + 7 + 10).
A. −11 3 + 2 + + 7 B. −11 3 + 2 − − 13 C. −11 3 − 2 − − 13
D. −11 3 + 2 + + 13
14. Peter spent 3 2 + 4 − 10 pesos for notebooks and 5 + 6 pesos for pens. Write a polynomial that represents the total cost of purchase.
A. 3 2 + 9 + 4 B. 3 2 − 9 + 4 C. 3 2 + 9 − 4 D. 3 2 − 9 − 4
15. A carpenter has a wood that is 5 2 + 2 − 4 feet long. Represent the length of the wood after 2 2 + 3 − 7 feet have been cut off.
A. 3 2 + + 3 B. 3 2 − + 3 C. 3 2 − − 3 D. 3 2 + − 3