Definitions

Question 2

absolute value

Answer 2

The distance a number is from zero on a number line

Question 3

mode

Answer 3

the most frequent value of a random variable

Question 4

acute angle

Answer 4

an angle less than 90 degrees but more than 0 degrees

Question 5

obtuse angle

Answer 5

An angle that measures more than 90 degrees but less than 180 degrees

Question 6

algebraic

Answer 6

a group of numbers, symbols, and variables that express a single or series of mathematical operations (e.g., 2x+4+6y )

Question 7

parallel

Answer 7

lying in the same direction and always the same distance apart

Question 8

angle pairs

Answer 8

Corresponding angles: Alternate interior angles, Alternate exterior angles, Same side interior angles, Same side exterior angles

Question 9

perimeter

Answer 9

a line enclosing a plane area, the distance around a figure

Question 10

area

Answer 10

the number of square units needed to cover a flat surface

Question 11

perpendicular

Answer 11

at right angles to the plane of a base line

Question 12

associative property

Answer 12

Changing the grouping of numbers will NOT change the value. For example: (7 + 4) + 8 = 7 + (4 + 8).Works with multiplication and addition.

Question 13

polygons

Answer 13

a closed plane figure made up of line segments

Question 14

circumference

Answer 14

the distance around a circle

Question 15

probability

Answer 15

a measure of how likely it is that some event will occur

Question 16

commutative property

Answer 16

In mult or add, the order of two numbers may be switched around and the answer is the same. Ex: a+b = b+a.

Question 17

proportion

Answer 17

an equation that states that two ratios are equal

Question 18

congruence

Answer 18

Figures or shapes that have the same size, shape and measure

Question 19

quadrilateral

Answer 19

a four-sided polygon

Question 20

coordinate graph

Answer 20

a grid of vertical and horizontal lines that show the relationship between two variables

Question 21

range

Answer 21

the difference between the largest number and the smallest number in a given set

Question 22

distributive property

Answer 22

a(b+c)=ab+ac

Question 23

ratio

Answer 23

a comparison of two quantities by division

Question 24

equation

Answer 24

a mathematical sentence that shows that two expressions are equivalent

Question 25

reciprocals

Answer 25

two numbers whose product is one

Question 26

expression

Answer 26

a group of symbols that make a mathematical statement (with no equal sign)

Question 27

integers

Answer 27

Positive and Negative Whole Numbers and 0. Examples: .... -3, -2, -1, 0, 1, 2, 3.....(Does not include fractions or decimals)

Question 28

inverse operations

Answer 28

operations that undo each other

Question 29

like terms

Answer 29

terms that contain the same variables, with corresponding variables having the same exponent

Question 30

square root

Answer 30

a number that when multiplied by itself equals a given number

Question 31

variable

Answer 31

a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity

Question 32

volume

Answer 32

the amount of 3-dimensional space occupied by an object

Question 33

mean

Answer 33

an average of n numbers computed by adding some function of the numbers and dividing by some function of n

Question 34

median

Answer 34

the middle number in a set of numbers that are listed in order

Question 35

order of operations

Answer 35

the order in which operations in an expression to be evaluated are carried out. 1. parentheses 2. exponets 3. multiplication and divison 4. addition and subtraction

Question 36

x, y table

Answer 36

represents pairs of values of two related quantities.