Absolute Value 

•The distance of a number from zero; the positive value of a number.

EX:y=7

|2(7)-2|=12

|14-2|=12

|12|=12

12=12✔️

Acute Angle

•A positive angle measuring less than 90 degrees.

EX:[image]

Acute Triangle

•A triangle each of whose angles measures less than 90 degrees.

EX:[image]

Additive Identity

•The number zero is called the additive identity because sum of zero and any number is that number.

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Additive Inverse

•The additive inverse of any number x is the number that gives zero when added to x. The additive inverse of 5 is -5.

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Adjacent Angles

•Two angles that share both a side and a vertex.

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Angle

•The union of two rays with a common endpoint, called the vertex.

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Arc

•A portion of the circumference of a circle.

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Area

•The number of square units that covers a shape or figure.

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Associative Property Of Addition

•(a+b)+c=a+(b+c)

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Associative Property Of Multiplication

•(a×b)×c=a×(b×c)

EX:[image]:

Average

•A number that represents the characteristics of a data set.

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Axis Of Symmetry

•A line that passes through a figure in such a way that the part of the figure on one side of the line is a mirror reflection of the part on the other side of the line.

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Base

•The bottom of a plane figure or three-dimensional figure.

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Bisect

•To divide into two congruent parts.

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Box And Whisker Plot

•A type of data plot that displays the quartiles and range of a data set.

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Cartesian Coordinates

•A system in which points on a plane are identified by an ordered pair of numbers, representing the distances to two or three perpendicular axes.

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Central Angle

•An angle that has its vertex at the center of a circle

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Chord

•A line segment that connects two points on a curve.

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Circle

•The sets of points in a plane that are a fixed distance from a given point, called the center.

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Circumference

•The distance around a circle.

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Coefficient

•A constant that multiplies a variable.

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Collinear

•Points are collinear if they lie on the same line.

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Combination

•A selection in which order is not important.

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Common Factor

•A factor of two or more numbers.

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Common Multiple

•A multiple of two or more numbers.

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Commutative Property Of Addition

•a+b=b+a.

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Commutative Property Of Multiplication

•a*b=b*a.

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Complementary Angles

•Two angles whose sum is 90 degrees.

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Composite Number

•A natural number that is not prime.

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Cone

•A three-dimensional figure with one vertex and a circular base.

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Congruent

•Figures or angles that have the same size and shape.

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Constant

•A value that does not change.

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Coordinate Plane

•The plane determined by a horizontal number line, called the x-axis, and a vertical number line, called the y-axis, intersecting at a point called the origin. Each point in the coordinate plane can be specified by an ordered pair of numbers.

EX:[image]

Coplanar

•Points that lie within the same plane.

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Counting Numbers

•The natural numbers, or the numbers used to count.

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Counting Principle

•If a first event has n outcomes and a second event has m outcomes, then the first event followed by the second event has n times m outcomes.

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Cross Product

•A product found by multiplying the numerator of one fraction by the denominator of another fraction and the denominator of the first fraction by the numerator of the second.

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Cube

•A solid figure with six square faces.

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Cylinder

•A three-dimensional figure having two parallel bases that are congruent circles.

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Data

•Information that is gathered.

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Decimal Number

•The numbers in the base 10 number system, having one or more places to the right of a decimal point.

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Degree

•A unit of measure of an angle.

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Denominator

•The bottom part of a fraction.

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Dependent Events

•Two events in which the outcome of the second is influenced by the outcome of the first.

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Diagonal

•The line segment connecting two nonadjacent vertices in a polygon.

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Difference

•The result of subtracting two numbers.

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Digit

•The ten symbols, 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. The number 215 has three digits: 2, 1, and 5.

EX:[image]

Distributive Property

•a(b+c)=ab+ac

EX:[image]

Dividend

•In a/b=c, a is the dividend.

EX:[image]

Divisor

•In a/b=c, b is the divisor.

EX:[image]

Ellipse

•The set of all points in a plane such that the sum of the distances to two fixed points is a constant.

EX:[image][image]

Equation

•A mathematical statement that says that two expressions have the same value; any number sentence with an =.

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Equilateral Triangle

•A triangle that has three equal sides.

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Equivalent Equations

•Two equations whose solutions are the same.

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Equivalent Fractions

•Fractions that reduce to the same number.

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Error Of Measurement

•The difference between an approximate measurement and the actual measure taken.

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Evaluate

•To substitute number values into an expression.

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Even Number

•A natural number that is divisible by 2.

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Event

•In probability, a set of outcomes.

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Exponent

•A number that indicates the operation of repeated multiplication.

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Factor

•One of two or more expressions that are multiplied together to get a product.

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Factoring

•To break a number into its factors.

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Face

•A flat surface of three-dimensional figure.

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Formula

•A equation that states a rule or a fact.

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Fraction

•A number used to name a part of group or a whole. The number below the bar is the denominator, and the number above the bar is the numerator.

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Frequency

•The number of times a particular item appears in a data set.

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Frequency Table

•A data listing which also lists the frequencies of the data.

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Graph

•A type of drawing used to represent data.

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Greatest Common Factor (GCF)

•The largest number that divides two or more numbers evenly.

EX:[image]

Horizontal

•A line with zero slope.

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Hypotenuse

•The side opposite the right angle in a right triangle.

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Identity Property Of Addition

•The sum of any number and 0 is that number.

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Identity Property Of Multiplication

•The product of 1 and any number is that number.

EX:[image]

Improper Fraction

•A fraction with a numerator that is greater than the denominator.

EX:[image]

 Independent Events

•Two events in which the outcome of the second is not affected by the outcome of the first.

EX:[image]

Inequality

•A mathematical expression which shows that two quantities are not equal.

EX:[image] 

Infinity

•A limitless quantity.

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Inscribed Angle

•An angle placed inside a circle with its vertex on the circle and whose sides contain chords of the circle.

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Inscribed Polygon

•A polygon placed inside a circle so that each vertex of the polygon touches the circle.

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Integers

•The set of numbers containing zero, the natural numbers, and all the negatives of the natural numbers.

EX:[image]

Intercept

•The x-intercept of a line or curve is the point where it crosses the x-axis, and the y-intercept of a line or curve is the point where it crosses the y-axis.

EX:[image]

Intercepted Arc

Interpolation

Interpolation

Intersecting Lines

Inverse

Inverse Operations

Irrational Number

Isosceles Triangle

Least Common Denominator

Least Common Multiple

Like Fractions

Line

Line Of Symmetry

Line Segment

Locus

Lowest Terms

Mean