Name

advertisement
Name _______Key___________ Date _____________ Block _______
Math 6 - Unit 2 Test – Study Guide
Sequences, Integers, Absolute Value & Coordinate Plane
SOL 6.17, 6.3, 6.11
Write an integer for each situation. (6.3)
1) 100 feet above sea level
__+ 100 ft__
2) a hot air balloon descends 55 feet
__- 55 ft___
Write a real life situation with the given integer.
3) -25
____________A loss of 25 pounds or 25 degrees below normal__________________________
Order the integers in ascending order (from least to greatest).
4)
___-12, -9, -7, -3, 3, 5____
5, -7, -12, -9, 3, -3
Evaluate.
5)
= _ 78 __
6)
= __ 9 __
Explain what Absolute Value means ___Absolute Value is the distance from any integer to zero_
____that value is always a positive number___
Compare using >, <, or =.
7) -4 _ > __ -11
8) -14 _ > _ -41
9) 9 _ = _
How do you know if an integer is larger than another integer? How can you tell? __The bigger the positive
integer the bigger the number, the bigger the negative integer the smaller the number__
Number the number line and graph the following numbers on the given number line.
10) 4, -1, 3, -3, 0
Identify the integer represented by the letter.
11)
A
__ 1 __
12)
B
__ - 2 __
State whether each sequence is arithmetic, geometric, or neither. If it is arithmetic or geometric, state the
common difference or common ratio. Then write the next three terms of the sequence. (6.17)
13)
1, 4, 16, 64, …
14)
0.2, 0.4, 0.6, 0.8, …
15)
6, 9, 12, 15, …
Type of Sequence
What is the Common
Difference/Ratio?
Next Three Terms
geometric
x4
256, 1024, 4096
arithmetic
+ .2
1.0, 1.2, 1.4
arithmetic
+3
18, 21, 24
Critical Thinking.
16) Sally has 8 trees in her yard. She plans to plant 2 more trees each month for the next three months.
a) How many trees will she have in her yard for each of the next three months?
___ 10 ___ , ___ 12 ___ , ___ 14 ___
b) What type of sequence is this? arithmetic
17) Describe the difference between an arithmetic sequence and a geometric sequence.
__Arithmetic sequences are ones in which the next term is found by adding the same number to the
previous term, geometric sequences are ones in which the next term is found by multiplying the same number
to the previous term. __
Use the graph on the right to identify the
coordinates of the following points and
identify their Quadrants.
Ordered Pair
Quadrant
29) M
__(3,-4)___
__ 4 __
30) P
__(-5, -3)___
__ 3 ___
31) R
__(-3, 2)___
__ 2 __
32) D
___(2,5)__
__
1___
Download