Geometry
Area of a Square
A=s2
Sin0
Opposite/hypotenuse
A number is irrational if
it is non-terminating and non-repeating
Average =
Sum of things/number of things
What is? y=mx+b
Slope-intercept line
Formula for the volume of a rectangular prism
V=lwh
Cos0=
adjacent/hypotenuse
What are real numbers
any number that can be expressed on a number line
What is Median
The middle number(or average of two middles) of an ordered set of numbers
How many degrees are in a triangle?
180
Pythagorean Theorem formula
a2+b2=c2
Tan0=
Opposite/adjacent
Are these a multiplier of 11
11,22,33,44,55,66,77,88,98
No
What is Mode
The number which occurs most often in a set of numbers
35%
Formula for interior angles of a polygon
(n-2)(180)
Cotangent
1/tan0
What are integers?
any number: positive, negative, or zero
Standard Deviation
Measurement of how spread out numbers are from the middle of the set
Average, Median, and Mode are part of what formulation category?
Statistics
Circumference formula
C=2(pie)r
A=(pie)r2
Pythagorean identity
sin20 + cos20 = 1
Remainder is
the number left over when one integer is divided by another
Expected Value
The weighted average of a set
Is ACT Prep fun?
YESSS!