Review 7 Flashcards
1
Q
arithmetic
A
An = a1 + d(n - 1)
2
Q
Geometric
A
An = a1 x r^n-1
3
Q
Sequence
A
a1, a2, a3, a4, a5, ,,,
4
Q
Series
A
a1 + a2 + a3 + a4 + a5 + ,,,
5
Q
Recursive
A
an = f(an - 1)
func of previous term
6
Q
Sigma rotation
A
Σ i = index (start), top number is stop
7
Q
binomial formula
A
(a + b) ^ n = Σ (n/k) x a ^ n - k x b^k
8
Q
binomial coeff
A
(n k) = n! / k! x (n - k)!
9
Q
ellipse
A
a in larger den
10
Q
both terms pos
A
ellipse
10
Q
hyperbole
A
a in pos term
11
Q
one term neg
A
hyperbole
12
Q
std form
A
+/- (x - h)^2 / ( )^2 +/- (y - h) ^2 / ( )^2 = 1
