Missed Formulas Flashcards
lne
1
joint variation
y=kx
b^2-4ac<0
2 complex conjugates
Recursive Arithmetic Sequence Formula Generator
A1=#
An=An-1+d
Recursive Geometric Sequence Formula Generator
A1=#
An=rn-1
Arithmetic Series Formula
Sn=n(A1+An/2)
Infinite Geometric Series
Sn=An/1-r
Compound Interest Formula
A=P(1+r/n)^nt
Continous Compound Interest
A+Pe^rt
|a-bi|
square root of a^2+b^2
b^2-4ac=0
One real rational root that has a multiplicity of 2
Difference of Cubes
(x^3-y^3)=(x-y)(x^2+xy+y^2)
Vertex Form of a Quadratic
f(x)=a(x-h)^2+k
Inverse Variation
y=k/x
What kind of line has a slope that is undefined?
vertical
How do you know if a relation is a function?
A function either passes the vertical line test or each input has exactly one output.
Discriminant
b^2-4ac
Linear parent function
Diagonal line
Absolute Value Parent Function
V
Greatest Integer Graph
Step Function
Reciprocal (rational) Parent Function
)( in II and IV quadrant
Cube Root Parent Function
Un in II and IV quadrant
Parent Graph of the Natural Logarithmic Function
r starting in III quadrant and is mostly in the II quadrant
Parent Graph of the Natural Exponential Function
J starting in I and end ends in II. Asymptote is at 0
Graph of the Logarithmic Parent Function
r starting in III and ending in IV. Vert asym at O
Parent function for y=x
linear
How do you find the vertical asymptotes of a rational function?
Simplify first, then set the denominator = 0 and solve for the variable.
Determinant
|a b|
|c d|
=ad-cb
