### MSA Vocabulary Part 1

Cottone

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Across
1.A graphical display representing data in different categories or groups. The length of a rectangle or bar is used to represent the numerical amount.
4.Physical objects used to represent mathematical situations.
5.The boundary of a simple 2-dimensional region, including shapes with straight and curved sides.
8.A number which is placed to the right of and above another number (base). The value of the exponent determines how many times the base is used as a factor
12.A relationship in which every value of x has a unique value of y
14.A way of writing numbers using bases and exponents [e.g., 425 = (4 x 102) + (2 x 101) + (5 x 100)].
16.A method of converting units within a measurement system.
17.The size of a region measured in number of square units.
18.Two numbers are additive inverses of each other if their sum is 0.
19.A property of addition or multiplication in which the sum or product stays the same when the order of the addends or factors is changed (i.e., a + b = b + a and ab = ba).
21.A graphical display that shows data as parts of a whole circle.
23.Special tests to determine if a particular integer is a factor of a given number, (e.g., a number is divisible by 10 if it ends in a 0).
24.The process of reasoning that starts from statements accepted as true and applied to a new situation to reach a conclusion (e.g., if 5+4 = 9, and 6+3 = 9, then 5+4 = 6+3).
27.A property of addition or multiplication in which the regrouping of the addends or factors does not change the outcome of the operations [i.e., (a + b) + c = a + (b + c) and (ab)c = a(bc)].
32.Events in a sample space that have the same probability of occurring.
35.For a polygon in the plane, any line segment joining non-adjacent vertices. For a polyhedron in space, a line segment joining two vertices not in the same face.
38.A function whose general equation is a y=abx or y=abkx, where a, b, and k stand for constants.
39.A characteristic of an object, such as color, shape, or size.
41.A notation that describes a function. For a function ƒ, when x is a member of the domain, the symbol ƒ(x) denotes the corresponding member of the range
42.A pictorial representation of information or relationships between numbers.
43.The numbers or terms multiplied in an expression.
44.A plane surface of a three-dimensional figure.
45.A display to show how often items, numbers, or a range of numbers occur.
46.A property which establishes a relationship between multiplication and addition such that multiplication distributes across the addition [i.e., a(b+c) = ab + ac].
Down
2.A number's distance from zero on a number line
3.A preliminary statement or hypothesis that something is true; a statement may later be confirmed or disproved through observation or testing.
6.The process of finding a number close to an exact amount.
7.A graphical display representing continuous data in different categories or groups.
9.Methods to determine the number of possible outcomes of an event. Some of the methods are tree diagram, list, rules for multiplication, combinations, and permutations.
10.A sequence with a constant ratio between two consecutive terms
11.A graphical display which shows the median, quartiles, and extremes of a set of data but does not display any other specific data values.
13.An equation that states a fact or rule (e.g., A=
15.Numeral and/or variable joined by any combination of the four basic operations (+, -, x, /) and involving any power(s) of numeral and/or variable (e.g., 3-8, 7x4, 4+X, Y/2, N-2, 3(4+8)-7, Y2-2).
19.The algebraic study of geometry through the use a coordinate plane or system.
20.A sequence rule using the number of the term to define the function [e.g., in the sequence 3, 6, 9,..., the explicit rule is f(n) = 3n where n is the number of the term and f(n) is the value of the term].
22.A sequence with a constant difference between consecutive terms
25.The amount of time between a beginning time and an ending time.
26.A probability calculated from the results of an experiment.
28.Numbers or expressions that have the same value.
29.A mathematical sentence of equality (e.g., N + 50 = 75 or 75 = N + 50 means that N + 50 must have the same value as 75).
30.The counting numbers (1, 2, 3...).
31.The distance around a circle; the formula is pi times the diameter (C = TTd).
33.A 2-dimensional system in which the coordinates of a point are its distances from two intersecting perpendicular lines called axes. The formal name for this system is Cartesian coordinate system.
34.The sketching of a line or curve to best describe a relationship between two variables on a scatter plot.
36.A transformation which produces a figure similar to the original by proportionally shrinking or stretching the figure.
37.The proof of a proposition by accepting the hypothesis of the proposition and arguing to the conclusion.
40.Geometric figures having the same size and shape; all corresponding parts of congruent figures have the same measure.

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