Second Quarter Vocabulary Study Guide

Match the definitions with the choices / Choices:
1.  _____ a sequence in which the ratio of successive terms is a constant r, called the common ratio, where r ≠ 0 and r ≠ 1.
2.  _____ in an arithmetic sequence, the nonzero constant difference of any term and a previous term
3.  _____ a function that can be written in the form y = mx +b, where x is the independent variable and m and b are real numbers; its graph is a line
4.  _____ The number that is raised to a power in an exponential expression
5.  _____ The most common way we express quantities
6.  _____ where there is no relationship between sets of data
7.  _____ where both sets of data values increase
8.  _____ a list of numbers that often form a pattern
9.  _____ an element or number in a sequence
10. _____ A quantity expressed as a number raised to a power
11.  _____ the line rises from left to
12.  _____ line falls from left to right
13.  _____ vertical line
14.  _____ y = mx +b, where m is the slope and b is the y-intercept
15.  _____ a measure of the strength and direction of the relationship between two variables or data sets
16. _____ where one set of data values increases as the other set decreases
17.  _____ a ratio that compares the amount of change in a dependent variable to the amount of change in the independent variable
18.  _____ a measure of the steepness of a line; the ratio of rise to run for any two points on the line
19.  _____ the x-coordinate(s) of the point(s) where a graph intersects the x-axis
20.  _____ Ax + By = C, where A, B, and C are real numbers / A.  Base
B.  Common Difference
C.  Correlation
D.  Exponential Form of a number
E.  Geometric Sequence
F.  Linear Function
G.  Negative correlation
H.  Negative slope
I.  No correlation
J.  Positive correlation
K.  Positive slope
L.  Rate of change
M.  Sequence
N.  Slope
O.  Slope-intercept form of a linear equation
P.  Standard form of a linear equation
Q.  Standard Form of a number
R.  Term of a sequence
S.  Undefined slope
T.  x-intercept

Continued on back

Word bank
Arithmetic Sequence
Exponent
Pattern / Point-slope form
Recursive definition
Scatter plot
Scientific Notation / Trend Line
y-intercept
Zero slope
Fill in the blanks with the correct term from the word bank.
21.  ______a formula that is used to determine the next term of a sequence using one or more of the preceding terms
22.  ______a number that indicates how many times another number (base) is to be used as a factor
23.  ______a short way to write very large or very small numbers
24.  ______y-intercept the y-coordinate(s) of the point(s0 where a graph intersects the y-axis
25.  ______of a linear equation y -y1 = m(x – x1) where m is the slope and (x1, y1) is a point on the line
26.  ______a horizontal line
27.  ______a sequence whose successive terms differ by the same non-zero number d, called the common difference
28.  ______a graph with points plotted to show a possible relationship between two sets of data, also known as an XY plot
29.  ______a straight line that best represents the data on a scatter plot; also called the line of best fit
30.  ______a set of numbers or objects in which all the members are related with each other by a specific rule


Answer Key

1.  E

2.  B

3.  F

4.  A

5.  Q

6.  I

7.  J

8.  M

9.  R

10.  D

11.  K

12.  H

13.  S

14.  O

15.  C

16.  G

17.  L

18.  N

19.  T

20.  P

21.  Recursive definition

22.  Exponent

23.  Scientific Notation

24.  y-intercept

25.  Point-slope form

26.  Zero slope

27.  Arithmetic Sequence

28.  Scatter plot

29.  Trend Line

30.  Pattern