Homework 4
Name: _____________________________________
Use the following set of data to complete #1-7.
1. Find the mean.
1. ______________
2. Find the median.
2. ______________
3. Find the mode.
3. ______________
4. Find the quartile 1.
4. ______________
5. Find the quartile 3.
5. ______________
6. Find the interquartile range.
6. ______________
7. Find the range?
7. ______________
8. Factor: 4x2 + 20x + 25.
8. ______________
9. Simplify: (5m3 + 2m2) + (m2 – 7m3)
9. ______________
10. Factor: 7x3 – 5x2 + 14x – 10
10. _____________
11. Simplify: -5x(2x – 8)
11. _____________
12. Simplify: (9 – 3n2) – (12 – 7n2)
12. _____________
13. Simplify:
2√50
13. _____________
14. Simplify:
2√8ℎ ∙ 3√3ℎ5
14. _____________
15. Simplify:
√18
√2
15. _____________
16. Factor: 3n2 – 11n – 70
16. _____________
17. Factor: 2v2 – 21v + 54
17. _____________
18. 3√10 + 2√40
18. _____________
19. Simplify: -2(x – 4)
19. _____________
20. What is the probability that a person who has the internet also has a cell phone?
20. _____________
Internet
No internet
Cell Phone
30
10
No cell phone
40
20