Geometry
Sine
Opposite over Hypotenuse
AA similarity is when...
Two angles of two different triangles are congruent
Square root of 81
9 squared
Factoring
Use when the expression is factorable
what method would use use to solve a problem like (x-1)(2x+2)
The box method
Sectant
Hypotenuse over Adjacent
SAS is when...
Two triangles have one congruent angle and two proportional sides
2 squared
Square roots
Use when there is no b term
Any number to the power of zero is...
1
A Greek letter commonly used as an unknown angle measure
Theta
SSS is when...
All three sides of two different triangles are proportional
The square root of 144
12 squared
Use when b is and even number
Square root of i is...
negative 1
A relationship between Sine and Cosine
Identity
Similar triangles have...
Corresponding sides that are proportional
The square root of 625
25 squared
Quadratic formula
x + -b +- square root of b^2 - 4ac / 2a
The axis of symmetry is...
The line going down the middle of the parabola
The hypotenuse is always...
Longest side of the triangle
What degrees does every angle have to add up to to be considered a real triangle?
180 degrees
13 squared
Graphing
look for the x intercepts