Vocabulary for Week 4 Flashcards
(24 cards)
PEMDAS; Helps you get the right answer in a math problem
Order of Operations
a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output.
Function
Coordinates on a coordinate grid
Ordered Pair
each of a group of numbers used to indicate the position of a point, line, or plane.
Coordinates
the way that scientists easily handle very large numbers or very small numbers. For example, instead of writing 0.0000000056, we write 5.6 x 10-9.
Scientific Notation
Top number in a fraction
Numerator
Bottom number in a fraction
Denominator
a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.
Reciprocal
Average; adding up all the numbers, then dividing by how many numbers there are.
Mean
Middle number in a set of numbers.
Median
The number that appears the most in a set of numbers
Mode
Highest number - the lowest number =
Range
common endpoint of two or more rays or line segments
Vertex
A portion of a line which starts at a point and goes off in a particular direction to infinity
Ray
A fraction that has more in the numerator than the denominator
Improper Fractions
A whole number and a fraction
Mixed Number
triangle that has two sides of equal length
Isosceles Triangle
triangle that has three unequal sides
Scalene Triangle
All sides of this triangle are equal
Equilateral Triangle
5-sided polygon
Pentagon
6-sided polygon
Hexagon
8-sided polygon
Octagon
parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides.
Rhombus
quadrilateral with only one pair of parallel sides
Trapezoid
