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TAKS Math Vocabulary
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Gravity
Words and definitions from the TEA site list for exit level TAKS
Terms in this set (75)
algebra tiles
Manipulatives used to understand operations on polynomials.
algebraic expression
An expression where letters (like x or y) or other symbols are used to represent unknown numbers.
balance
When both sides have the same quantity or mass.
coefficient
the number in front of a variable
commission
A fee paid for services, usually a percentage of the total cost.
congruent
The same shape and size.
consecutive whole numbers
Numbers which follow each other in order, without gaps, from smallest to largest.
convex polygon
A polygon (which is straight-sided) with no "dents" or indentations in it.
coordinate pair
A set of values, usually in pairs, that show an exact position.
correlation
A trend between two sets of data. A trend may show positive correlation, negative correlation, or no correlation.
depreciation
An amount or rate by which an item loses value.
descends
Arranged from largest to smallest.
dilated
transformation in which a similar figure was enlarged or reduced using a scale factor, without altering the center.
domain
The set of all input values of a function.
enlargement
To make larger
even integer
Any integer that can be divided exactly by 2
experimental probability
The ratio of the number of times an event occurs in a trial to the total number
expression
Numbers, symbols and operators (such as + and ×) grouped together that show the value of something.
face
Any of the individual surfaces of a solid object.
front view
What you see when you look at something from the front
functions
A special relationship between values: Each of its input values gives back exactly one output value.
increased by a factor of __
When you double or triple or (some other factor) ...
inequality
An expression that shows a relationship between 2 values using the symbols <, >, ...
integer
A number with no fractional part Includes the counting numbers {1,2,3,...}, zero {0}, and the negative of the counting numbers {-1, -2, -3, ....
isosceles
A shape with two equal sides
isosceles triangle
A triangle with two equal sides
lateral surface area
Area of the figure without the bases.
line of symmetry
The line across which, if you reflect (flip), it will be exactly the same
linear function
An function that makes a straight line when it is graphed.
mapped
Elements in the domain are linked with elements in the range.
mapping
The process of linking elements of the domain with elements of the range to show a relationship.
mean
The average of the numbers.
median
The middle number (in a sorted list of numbers). Half the numbers in the list are less, and half the numbers are greater.
mode
The number which appears most often in a set of numbers.
negative correlation
When events involve numbers, a positive correlation means that as one increases, the other increases as well. A negative correlation means that as one increases, the other decreases.
net
A pattern that you can cut and fold to make a model of a solid shape.
ordered pair
Two numbers written in a certain order. They are usually written in parentheses like this: (4,5)
parallel
Always the same distance apart and never touching.
perpendicular
At right angles (90°) to; slopes are negative reciprocals
polygon
A plane shape (two-dimensional) with straight sides.
positive correlation
When events involve numbers, a positive correlation means that as one increases, the other increases as well. A negative correlation means that as one increases, the other decreases.
prism
A solid object that has two identical ends and all flat sides. The cross section is the same all along its length. The shape of the ends give the prism a name, such as "triangular prism"
projection
The transformation of points and lines in one plane onto another plane by connecting corresponding points on the two planes with parallel lines.
proportionately
Forming a relationship with other parts or quantities; being in proportion
pyramid
A solid object where:
The base is a polygon (a straight-sided shape)
The sides are triangles which meet at the top (the apex).
quadrilateral
A flat shape with four straight sides.
range
The set of all output values of a function.
rate of change
Graphically, the slope of an equation
reasonable
in accordance with the principles of logic or reason; an answer that "makes sense"
rectangular prism
A solid (3-dimensional) object which has six faces that are rectangles.
reflected
A transformation over a line, k, in which each point of the original figure (pre-image) has an image that is the same distance from the line of reflection as the original point but is on the opposite side.
reflection
A new image formed from a transformation over a line, k, in which each point of the original figure (pre-image) has an image that is the same distance from the line of reflection as the original point but is on the opposite side.
roots
Solutions, zeros, x-intercepts.Where a function equals zero.
scale factor
The ratio of two lengths or figures.
shifted
Moved left or right or up or down without changing the shape.
similar
In Geometry, two shapes whose only difference is size (and possibly the need to turn or flip one around).
simplify
put in the most basic form
slope
How steep a straight line is; change in y over change in x.
square pyramid
A solid object where: The base is a square and the sides are triangles which meet at the top (the apex).
theoretical probability
The ratio of the number of favorable outcomes (likelihood) to the total number of possible outcomes
top view
What you see when you look at something from directly above
total surface area
Area of the figure including the bases.
transform (shape)
Moving a shape so that it is in a different position, but still has the same size, area, angles and line lengths.
transformation (graph)
The process of changing a graph from its parent function by translation, reflection, compression, or stretching.
translate
To move a shape, without rotating or flipping it. To "slide".
translated/shifted
The image has been moved without rotating or flipping it.
trapezoid
A quadrilateral with one pair of opposite sides parallel.
triangular prism
A solid object that has two triangular identical ends and all flat sides.
vertex
A point where two or more straight lines meet. Corner. Also a maximum or minimum of a parabola.
vertices
Points where 3 or more sides of a figure come together.
volume
The amount of 3-dimensional space an object occupies. Capacity.
widest parabola
A curve shaped like an arch with the greatest distance from the axis of symmetry.
x intercept
Where a straight line crosses the X axis of a graph.
x to x'
pre-image to image or image to after-image
y intercept
Where a straight line crosses the Y axis of a graph.
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