Polygons Test Flashcards
1
Q
polygon
A
a closed plane figure with 3 or more sides that is not a circle
2
Q
concave
A
a polygon with at least one vertex lies inside the interior
3
Q
convex
A
no vertices lie inside the interior
4
Q
diagonal
A
a line segment that connects 2 non-consecutive vertices
5
Q
slope
A
y2 - y1 / x2 - x1
6
Q
what is the variable for slope
A
m
7
Q
slope is 0/x
A
no slope
8
Q
slope is x/0
A
undefined
9
Q
undefined
A
when a slope’s denominator is 0; when the line is vertical
10
Q
no slope (m=0)
A
when a slope’s numerator is 0; the line is horizontal
11
Q
slope intercept form
A
y = mx+b
12
Q
y intercept
A
the point at which the line intersects the y-axis (0,y)
13
Q
x intercept
A
the point at which the line intersects the x-axis (x, 0)
14
Q
vertical line
A
no y intercept
15
Q
horizontal lines
A
no x intercept
