has no size or shape, but it is often represented using a dot. It can be labeled using a capital letter .
a part of a line that includes two points and all of the collinear points between the two points
a rigid motion that "slides" each point of a figure the same distance and direction
part of a line that begins with a single point and extends infinitely in one direction
a flat surface, it has an infinite length and width, but no depth, and extends infinitely in all directions
The study of the relationships between the sides and angles of triangles.
opposite over hypotenuse
adjacent over hypotenuse
opposite over adjacent
with regards to a given acute angle - leg of a right triangle that does touch the angle
The set of points that are equidistant from a single point called the center . There are an infinite number of points on a circle.
an unbroken part of a circle
a portion of the circumference of the circle
The distance from the center of the circle to the edge. The radius is half the circle's diameter and represented by the letter 'r'. Plural is Radii. All radii in the same circle are equal.
A line, ray, or segment running from one side of a circle, through the center, to the other side. Twice the size of the radius. Cuts the circle into two equal halves called semicircles. Represented by the letter 'd'.
a number variable or the product of a number and one or more variables with whole number exponents.
consists of two terms with addition and subraction
consists of three terms
Any number that cannot be expressed as the ratio of two integers. When written in decimal form, they never terminate or repeat.
Any number that is the value of the ratio of two integers. When written as a decimal, they terminate or repeat.
A line that divides a plane figure or a graph into two congruent reflected halves.
axis of symmetry
The shape of the graph of a quadratic function
lowest or highest point on a parabola
a function in which the graph of the solutions forms a line
the solutions to a quadratic equation
a numerical or constant quantity placed before and multiplying the variable in an algebraic expression.
a numerical or constant quantity placed before and multiplying the variable in an algebraic expression
numbers you can multiply together to get another number
amount of turn between two straight lines that have a common end point.
a flat surface with no thickness and extends forever
A number from 0-1 that is a measure of how likely an event is to occur
the description that clearly defines the members
a count of the entire population
something that results
A sum is the result of an addition. For example, adding 1, 2, 3, and 4 gives the sum 10, written. (1) The numbers being summed are called addends, or sometimes summands.