19 terms

# NWEA 251-260 Math Flash Cards

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central angle
an angle whose vertex is the center of the circle
coordinate plane
A two-dimensional region determined by a pair of axes and that uses numerical values to represent the location of an object.
exterior angle
an angle formed by one side of a triangle and the extension of another side
heptagon
a seven-sided polygon
hexagon
a six-sided polygon
polynomial
a mathematical expression that is the sum of a number of terms
quartile
the lower of this is the value with a quarter of the data below it; the upper of this has a quarter of the data above it
regular hexagon
a hexagon with six sides of equal length
representative sample
sample carefully chosen so that the characteristics of the participants correspond closely to the characteristics of the larger population
right cylinder
A cylinder with the axis perpendicular to both bases.
right pyramid
a pyramid in which the segment from the vertex to the centroid of the base is perpendicular to the base
slant height
The height of a triangular face of a pyramid
slope-intercept form
y=mx+b
supplementary angle
When the sum of the measures of a pair of angles add up to 180°
transversal
A line that intersects two or more lines.
undefined
an expression which does not have a meaning or cannot be assigned a value
x-coordinate
the first number in an ordered pair
y-coordinate
the second number in an ordered pair
y-intercept
where the line crosses the y axis