Chapter 1 Quiz B



Chapter 1 Quiz B Name: _______________________

Sec. 1-6 to 1-8 Pd./Date: ___________/__________

Complete each sentence with the correct term.

x-axis, y-axis, ordered pair, quadrants, origin, coordinate plane

1. A/An __________________________ gives the coordinates and location of a point.

2. A _____________________________ is formed by the intersection of two number lines.

3. The vertical line on a coordinate plane is called the _________________________________.

4. The center coordinate on the coordinate plane is called the ___________________________.

5. The names of the four sections of the coordinate plane are called __________________________.

Simplify:

6. [pic] 7. [pic] 6. ______________

7. ______________

8. [pic] 9. [pic] 8. ______________

9. ______________

10. [pic] 11. [pic] 10. ______________

11. ______________

12. [pic] 13. [pic] 12. ______________

13. ______________

Evaluate each expression if g = 4 , h = [pic], j = 8 , and k = 12

14. hk - gj 15. [pic] 14. ______________

15. _____________

Use the coordinate plane below to answer questions 16-23. Name the ordered pair for each point listed below. Assume each block represents one unit.

16. A ___________________

B A

17. B ___________________

18. What quadrant is point C located in? ________

C 19. Name a point on the y-axis. ___________

20. Name a point in quadrant IV. ___________

21. What kind of number will be the product of the x and y – coordinate of a point in the third quadrant?

22. What do we call the ordered pair (0,0)?

23. The sum of the coordinates of a point is zero. This means that the x and y – coordinate are what?

Identify which line shown on the graph ( a, b, c, or d ) represents each table of values.

24. ___________ 25. _______________

|X |Y |

|0 |4 |

|3 |7 |

|-3 |1 |

|-6 |-2 |

|X |Y |

|-4 |4 |

|-1 |1 |

|1 |-1 |

|3 |-3 |

Complete the table of solutions for each equation. Then graph the ordered pairs and draw a line through them. Graph both lines on the same grid.

26. y = 3x - 2

|X |Y |

|0 |-2 |

|3 | |

|-1 | |

|-2 | |

27. The following are a list of times that students have given for the amount of time they have spent on Facebook in one night. 90, 120, 15, 50, 30, 45, 75, 40, 20, 120, 50, 60, 90, and 60 minutes. Find the Measures of Central Tendency for the data.

Mean: ( around your answer to the nearest minute) Mean: __________________

Median: (around your answer to the nearest minute) Median: ________________

Mode: Mode: ___________________

Range: Range: ___________________

28. After interviewing 5 students, the average time spent playing video games was 45 minutes per day. After talking to the 6th students the average time is 55 minutes per day. What was the time of the 6th person interviewed?

How are you doing?

Chapter 1 Quiz B (review) Name: _______________________

Sec. 1-6 to 1-10 Pd./Date: ___________/__________

Complete each sentence with the correct term or terms.

1. A/An __________________________ gives the coordinates and location of a point.

2. A _____________________________ is formed by the intersection of two number lines.

3. The vertical line on a coordinate plane is called the _________________________________.

4. The center coordinate on the coordinate plane is called the ___________________________.

5. The names of the four sections of the coordinate plane are called __________________________.

Simplify:

6. [pic] 7. [pic] 8. [pic]

9. [pic] 10. [pic] 11. [pic]

12. [pic] 13. [pic]

Evaluate each expression if r = - 2 , s = - 12, and t = 3.

14. rst 15. rt + sr

Use the coordinate plane below to answer questions 23-27. Name the ordered pair for each point listed below. Assume each block represents one unit.

16. A __________________

17. B __________________

18. What quadrant is point C located in? ________

19. Name a point on the y-axis. ___________

20. Name a point in quadrant IV. ___________

21. Label the following parts of the coordinate plane: origin, quadrants, and the x and y-axis.

22. Find the Measure of Central Tendency’s for the amount of time a student spends on assignments each night. The times in minutes are as follows: 45, 22, 34, 65, 12, 2, 37, and 16.

Mean ( round your answer to the nearest minute)

Median: ( round your answer to the nearest minute)

Mode:

Range:

23. The average time that ten students spend on Facebook is 97 minutes. If the average decreases to 92 minutes after the 11th student. What was the time of the 11th student?

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