Algebra 2: Unit 1

Front

Define explicit formula:

Back

Calculates any term directly

Front

Define recursive formula:

Back

Defines a term based on previous terms.

Front

What is the point slope formula?

Back

y = y₁ +m(x - x₁)

Front

What is the recursive formula for an arithmetic sequence?

Back

a(n) = an-1 + d

Front

What is the recursive formula for a geometric sequence?

Back

an=an-1 x r

Front

What is the explicit formula for an arithmetic sequence?

Back

a_n = a₁ + d (n - 1)

Front

what is the explicit formula for a geometric sequence?

Back

a_n = a₁ * r^(n-1).

Front

What is the summation notation formula?

Back

last term

sn= ∑

n=1

Front

what is the formula for sums of an arithmetic sequence?

Back

sn= n(a1+an)/ 2