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Math
Math vocabulary
| Term | Definition | Image |
|---|---|---|
| commission | an amount of money that is paid to a worker based on a percentage of his or hers sales | |
| integer | any number that is not represents by a fraction or decimal | |
| irrational numbers | numbers that are non-terminating, non-repeating decimals | |
| mark-down | a discount or decrease in the price of an item | |
| mark-up | an increase in the price of an item | |
| natural numbers | numbers that are used for counting, such as 1,2,3... | |
| percent | a portion or part that is based out of 100 | |
| place value | the value of each digit found in a number | |
| proportion | two ratios that are equal to each other in value | |
| radical number | a number that has a √ sign; also called a square root | |
| ratio | a comparison of two or more quantities that have different units | |
| rational number | any number that can be written as a fraction of two integers | |
| real number | any number that can be represented on a number line | |
| simple interest | interest that is paid to the lender and is computed yearly based on the original loan | |
| unit rate | comparison of an amount of one unit to a single amount of another unit, such as ,miles per gallon | |
| whole numbers | all of the natural numbers or counting numbers including 0 | |
| algebraic expression | a number sentence consisting of constants and variables but no equal sign | |
| associative property of addition | for all real numbers a, b, c:(a+b)+c=a+(b+c) | |
| Associative property of multiplication | for all real numbers a, b, and c: (a∙b)c=a(b∙c) | |
| commutative property of addition | for all real numbers a and b: a+b=b+a | |
| communitive property of multiplication | for all real numbers a and b: a∙b=b∙a | |
| constant | a term with no variable as a factor; simply a numvber | |
| distributive property | for all real numbers a, b, and c: a(b-c)=ab or (b-c)a=ba-ca | |
| equation | a number sentence consisting od constants and variables and whichhas an equal sign | |
| one-step equations | equations that require transformation to isolate the variable, or get the variable by itself on one side of the equation | |
| two-step equations | equations that require two transformations to isolate the variable, or to get the variable by itself on one side of the equation | |
| cartesian coordinate plane | a coordinate grid separated into four parts or regions by x-axis and the y-axis | |
| extraneous solution | a solution of a radical equation that does not check when substituted back into the original equation | |
| greatest common factor (gfc) | the greatest factor that is common to all terms in an expression | |
| inequality | a number sentence with an inequality s | |
| intercept | the point where a line intersects an axis | |
| like terms | terms with identical variables and powers | |
| monomial | a single-term expression that is made up of a constant, variable(s), or a constant multi[plied by a variable(s) | |
| order of operations | the order to follow when simplifying an expression(PEMDAS) | |
| polynomial | a series of different terms that are added or subtracted | |
| Product Property of Square Roots | the product of square roots is equal to the square root of the product. √ab=√a×b | |
| Quadratic equation | a polynomial equation with a degree of 2 | |
| radical | an expression with a radical or square root symbol | |
| radical equation | an equation with a radical and a variable in the radicand | |
| radicand | the number or expression under the radical symbol | |
| rational expression | a fraction with the variables in the numerator and/or denominator | |
| scientific notation | a system for writing very large or very small numbers using the powers of ten | |
| slope | measure of the steepness of a line | |
| slope-intercept form | -y=mx=b where m is the slope and b is the y-intercept | |
| system of equations | two or more equations with two or more variables that are common to all of the equations | |
| variable | a letter that represents a number or unknown value | |
| x-intercept | the point at which a line intersects the x-axis | |
| y-intercept | the point at which a line intersects the y-axis | |
| zero-product property | if the product of two factors is 0, then one or both factors must be equal to 0 | |
| acute angle | a angle whose measurement, A, is 0 ≤ A ≤ 90 | |
| Angle | two rays sharing a common endpoint | |
| complementary angles | two angles whose sum is 90 | |
| dilation | a transformation that changes the size but not the shape of the figure | |
| edge | the segment formed where two faces of a solid intersect | |
| endpoint | points at each end of a line segment or one end of a ray | |
| face | each flat surface of a solid | |
| hyperentuse | the longest leg of a right triangle directly across from the right angle | |
| image | the image of a figure after transformation | |
| lateral area | the area of the side(s) of an object between the bases | |
| line | straight path of a line that consists of two endpoints; has no thickness and extends in both directions indefinitley | |
| line segment | a part of a line that consists of two endpoints and all of the points between them | |
| obtuse angle | an angle whose measurement, A, is 90 ≥ A ≥ 180 | |
| plane | a flat surface with no thickness that extends forever in each direction | |
| point | names a location but has no size; represented by a dot | |
| preimage | the image of a figure before a transformation | |
| Pythagorean Theorem | a relationship in all right triangles that says the sum of the squares of each leg is equal to the square of the hypotenuse | |
| ray | a part of a line that has one endpoint and extends forever in on direction | |
| reflection | a flip or a transformation across a line, called a line of reflection; each point and its image are the same distance from the line of reflection | |
| right angle | an angle whose measurement, A, is A=90 | |
| rotation | a turn; a transformation about a point, P, which is the center of reflection; each point and its image are the same distance from P | |
| scale factor | describes how much the preimage is enlarged or reduced | |
| supplementary angles | two angles whose sum is 180 | |
| surface area | the number of square units it takes to cover the outside surfaces of a 3-demensional object | |
| transformation | a change in the position, size, or shape of a figure | |
| translation | a slide; when all points in a figure are moved the same direction and same distance | |
| vertex | a point that is formed by the intersection of three or more faces of a solid | |
| volume | the number of cubic units it takes to fill a 3-demensional | |
| dependent variable | output of a function; range | |
| domain | inputs of a function; independent variable; usually x | |
| exponential function | a function whose equation has a variable in the exponent and graph is increasing or decreasing at an increasing rate | |
| function | a relation in which each member of the domain corresponds to exactly one member of the range | |
| independent variable | input of a function; domain | |
| linear function | a function whose equation is degree 1, rate of change is constant, and graph is a line | |
| quadratic function | a function whose equation is degree 2 and graph is a parabola | |
| range | outputs of a function; dependent variable; represented by f(x) | |
| English units of measurment | units utilizing inches, feet, yards, and miles for length; ounces and pounds for mass; and fluid ounces , quarts, and gallons for liquid measurments | |
| Metric units of measurement | units utilizing meters for length; grams for mas; and liters for liquid measurement | |
| rate | a ratio of change comparing the change in one unit | |
| unit multiplier | fractions worth a value of 1 that can be used to convert quantities to different units | |
| bias | occurs when one or more parts of a survey or sample are favored over others | |
| box-and-whisker plot | a graph that shows the spread of the data, using a number line and a box that display the median of the data and the first and third quartiles of the data | |
| circle graph | graph that displays data in sections of a circle | |
| event | a specific outcome or outcomes | |
| frequency | the number of times each data type occurs | |
| Fundamental Counting Principle | a way to determine the total number of outcomes possible by multiplying; it says that if event A has a possible outcomes and event B has b possible outcomes, then event A followed by event B has a*b total possible outcomes | |
| histogram | a graph that displays numerical data that can be organized into equal intervals | |
| inference | a conclusion that can be drawn about a population based on evidence gathered from the random sample | |
| interquartile range | the range between the 1st and the 3rd quartiles of a data set | |
| mean | the sum of the numbers in the data set divided by the number of items in the set | |
| measures of central tendency | measures used to find the center of the spread of data-typically mean, median, and mode | |
| median | the middle number of the set after it is arranged in order from least to greatest; the average of the two middle numbers if the data set contains an even number of numbers | |
| mode | the numbers that appear most in the data set | |
| outcome | any of the possible results from a given action | |
| outlier | data points that are much larger or much smaller than most other values in a data set | |
| population | a larger group | |
| probability | the ratio of a given outcome to the total possible number of outcomes | |
| quartile | the numbers that divide the data into four equal parts | |
| random sample | a portion of the population that is selected in such a way that it represents the entire population | |
| range | the difference between the greatest number and the least number in the data set | |
| sample | a portion of a larger group | |
| scatter plot | a type of graph that can be used to demonstrate the relationship between two sets of the data; the two sets of data are graphed as ordered pairs on a coordinate plane | |
| tree diagram | a way to organize all of the possible outcomes |
Created by:
cmseymour
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