Circumference of a circle
2πr or πd
Perimeter of a Parrallelogram
P=2(a+b)
Perimeter of a rectangle
P=2(l+w)
Perimeter of square
P=4s
Perimeter of a trapezoid
P=s1+s2+s3+s4
Area of a rectangle
A=lw
Area of a square
A=s²
Area of Parallelogram
A=bh
Area of a triangle
A=1/2bh
Area of a circle
A=πr²
Volume formula
length x width x height
Volume of a cylinder
V=πr²h
Surface area of a prism
S= 2lw+2lh+2wh
Surface Area of a Cylinder
S= 2pirh+ 2pir^2
equivelent expressions
expressions that have the same value
Reflexive Property
any quantity is equal to itself
Symmetric Property
if a=b, then b=a
Transitive Property
If a=b and b=c, then a=c
Additive identity
a + 0 = a
Additive Inverse
a + (-a) = 0
Multiplicative Identity
a x 1 = a
Multiplicative Inverse
Two numbers with a product of 1
Communative Property
Number order can be changed without changing the answer
Associative Property
The way in which numbers are grouped does not change their sum or product
Substitution Property
If a = b, then a can be substituted for b in any equation or expression
Distributive Property
a(b + c) = ab + ac
positive function
a portion of a function where the y-values are greater than 0 for all x-values
negative function
A portion of a function where the y-values are less than 0 for all x-values
increasing function
Graph that rises from left to right
decreasing function
Graph that falls from left to right
Extrema
The maximum and minimum values of a function
relative mimimum
The lowest point in a particular section of a graph.
relative maximum
The highest point in a particular section of a graph.
end behavior
describes how the values of a function behave at each end of the graph