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cross section ~~~ it of a solid and plane

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parallel ~~~ a circle drawn around the globe parallel to the equator and at right angles to the meridians

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coplanar ~~~ line segments ab and dc are coplanar because they line in the same plane

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plane ~~~ a flat surface that goes on forever in all directions

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complementary ~~~ if 2 angles measures up to 90 degrees

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supplementary ~~~   if the sum of their measures is 180 degrees

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pyramid ~~~ a three dimensional figure with 1 base that us a polygon and other faces as triangles

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acute triangle ~~~ a triangle with all acute angles

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congruent segments ~~~ sides with same length

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triangle ~~~ a figure with three sides and three angles

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equatorial triangle ~~~ a triangle  with three congruent sides

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isosceles triangle ~~~ a triangle with at least 2 congruent sides

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scalene triangle ~~~ a triangle with no congruent sides

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vertical ~~~ if they are opposite angles formed by  the interaction of two lines

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adjacent ~~~ sharing a common vertex a common side do not over lap

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congruent ~~~ vertical angles that have the same measures

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bases ~~~ are congruent faces that are polygons

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prism ~~~ a prism is a three dimension with all 2 parell

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obtuse angle ~~~ an angle that measures more then 90 degrees that less then 180 degrees

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right triangle ~~~ a triangle with one right angle

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acute triangle ~~~  an  angle that measures less then 90 degrees

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acute angle ~~~  is an angle smaller than a right angle. The range of an acute angle is between 0 and 90 degrees.

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two step inequality ~~~ it is a inequality that contains two operations to solve  a two step inequality

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inequality ~~~ it is a mathematical sentence that compares quantities solving inequality means finding values for the variable that makes the inequality  true

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two step equation ~~~ it has two different equations such as multiplication and addition to solve a two step equation undo the operations in reverse order of operations

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multiplication property of equality ~~~ it states two sides of an equation remain equal if you multiply each side by the same number

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subtraction property of equality ~~~ it states that the two sides of an equation reman equal when you subtract the same number from each side

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equivalent equations ~~~ when equation  the same value of the equation

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solution ~~~ the value of a variable that  makes an equation true is called the  solution

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equation ~~~ an a equation is a sentence that  two  quantities are equal

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division property of inequality ~~~ when you divide each side of a inequality by the same product number, the inequality remains true

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division property of equality ~~~ if you divide each side of an equation by the same nonzero number the two sides remain equal

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addition property of inequality ~~~ if you add the same number to each inequality the ineqaultiy remains true

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coefficient ~~~ a number multiplied by a vehicle in an algebraic expression

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addition property of equality ~~~ if you add the same number to each side of  an equation, the two sides remain equal

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term ~~~ when addition or subcration signs separate an algebraic expression into parts.

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factor form ~~~ a liner expression when it is expressed as the product of its favor

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factor ~~~ a number, means to write it as a  product of its factors

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monomial ~~~ is a number, a variable, or a product of a number and one or more variables

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linear expression ~~~ is an algebraic expression in which the variable is raised to the first power and variable are not multiplied or divided

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simplest form ~~~ a algebraic expression is in simplest form if it has no like terms no parentheses

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constant ~~~ a term without a variable, they are also like terms

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like terms ~~~ contain the same variables to the same powers ex: 3x2 and -7x2 and like terms. so are 8xy² and 12xy2. but 10x²z and 22xz² arent

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equivalent expressions ~~~ 2(x+2) and 2x+4, no matter what x is these expressions have the same value.

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distributive property ~~~ states that to multiply a sum or difference by a number, multiply each term inside the parentheses by the number outside the parentheses

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counterexample ~~~ a example that shows that a conjecture is false, property  does not apply

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multiplicative property ~~~ when any number is multiplied by 0, the product is 0

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multiplicative identity ~~~ when any number is multiplied by 1, the product is the number

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additive identity ~~~ when 0 is added to any number, the sum is the number

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property ~~~ is a statement that is true for any number

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associative property ~~~ states that the way in which numbers are grouped when they added or multiplied does not change the sum or product

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commutative property states ~~~that the order in which numbers are added or multiplied does not change the sum or product

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arithmetic sequence ~~~ each term found by adding the same number to the pervious term

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term ~~~ each number in a sequence

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sequence  ~~~ a ordered list of numbers

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define a variable ~~~  you choose a variable to represent an unknown quantity

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coefficient ~~~ the numerical factor of a multiplication expression that contains a  variable is called a coefficient

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algebra ~~~ variables and expressions

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algebraic expression ~~~ n+2, is an a expression that contains variables, numbers, and at least one operation

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variable ~~~ is a symbol that represents an unknown quantity

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additive integer ~~~ opposite

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the product of two integers with the same sign is positive

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the product (multiplication answer) of two different signs is negative

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to subtract a integer add its additive inverse (opposite)

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To add integers with different signs you subtract their absolute values (positive if the positive integer is greater) (negative if the negative integer is greater)

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to add integers with the same signs add their absolute values (positive if both are positive) (negative if both negative)

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absolute value ~~~ is the distance between the number and zero on the number line

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simple interest ~~~ amount paid or earned for the use of money

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percent error ~~~ is a ratio that compares the inaccuracy of an estimate, or amount of error, to the actual amount ( amount of error/actual amount)

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percent of change ~~~ is a ratio that compares the change in quantity to the original amount ( amount of change/original amount)

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principal ~~~ the amount money deposited or borrowed

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percent equation ~~~ part  percent whole

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percent proportion ~~~ part/whole

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slope ~~~ rise/run

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constant rate of change ~~~ means I am going to have a straight line graph

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proportion ~~~ states two ratios are equal

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Proportional~~~ if they have a constant (same)

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Unit Rate~~~ a rate simplified with a denominator of 1.

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Ratio~~~ comparison of two quantities with different units of measure.

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positive integer ~~~ a whole number

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integer ~~~ a whole number less then 0; a number that's is not a fraction

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absolute value ~~~ the actual magnitude of a numerical value or measurement, irrespective of its relation to other values

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X-axis ~~~ the horizontal line

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Two quantities are proportional if ~~~

the graph is a straight line graph going to or through the point of origin

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Proportion ~~~

the cross products are equal

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unit rate ~~~

when a rate is simplified so that it has a denominator of 1

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slopes ~~~

the constant rate of change, or unit rate, is the same as the slope of the related liner relationship

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rate of change ~~~

is a rate that describes how one quantity changes in relation to another

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rate ~~~

a ratio that compares two quantities with different kinds of units

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quadrants ~~~

the number lines separate the coordinate plane into four regions

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origin ~~~

the middle of a coordinate plane

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proportional ~~~

constant ratio or unit rate

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ordered pair ~~~

pair of numbers used to locate or graph points on a coordinate plane

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non-proportional ~~~

relationships in which this ratio is not constant, the two quantities

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equivalent ratios ~~~                all ratios have the same value

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direct variation ~~~

when two variable quantities have a constant ratio

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dimensional analysis ~~~

the process of including units of measure as factors when you compute

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cross products ~~~

the cross products of any proportion are equal