Math Flashcards
Equation for a discriminant
b^2 − 4ac
What form is ax^2 + bx + c in and what does it tell you
Standard
c = y-intercept
What form is a(x−r)(x−r) in and what does it tell you?
Factored
Zeros
What form is a(x−h)^2 + k in and what does it tell you?
Vertex
(h,k) = vertex
What type of function is this: a(x−h)^2 + k
parabola
What are the transformations of a parabolic function
a(x−h)^2 + k
a - stretch/compression
h - horizontal translation ( - = right; + = left)
k - vertical translation
Linear function
f(x) = x
quadratic function
f(x) = x^2
Square root function
f(x) = √x
reciprocal function
f(x) = 1/x
absolute value function
f(x) = |x|
csc θ = ________ when ________ ≠ 0
1/sin θ
sin θ
sec θ = _____ when _________ ≠ 0
1/cos θ
cos θ
cot θ = _______ when _______ ≠ 0
1/tan θ
tan θ
tan θ = _________, when ___________ ≠ 0
sin θ/cos θ
cos θ