Sequences

What is the nth term of the sequence -1, 3, 7, 11.........?

• 1)   $a_n\ =\ -1\ -\ 4\left(n\ -\ 1\right)$  

• 2) $a_{n\ }=\ -1+4\left(n-1\right)$  

• 3) $a_{n\ }=\ 4\ -\left(n-1\right)$  

• 4) $a_n=4+\left(n-1\right)$  

Tags

CCSS.HSF.BF.A.2

For the sequence -27, -12, 3, 18, ......the expression that defines the nth term where  $a_1$ = -27 is

•  $15-27n$  

•  $15-27\left(n-1\right)$  

•  $-27+15n$  

•  $-27+15\left(n-1\right)$  

Tags

CCSS.HSF.BF.A.2

Which function defines the sequence -6, -10, -14, -18, ....... where f (6) = -26 ?

• f (x) = -4x  - 2

• f (x) = 4x - 2

• f (x) = -x + 32

• f (x) = x - 26

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

What is a formula for the nth term of sequence B shown below?

• $b_n=8+\ 2n$

• $b_n=10+2n$

• $b_n=10\left(2\right)^n$

• $b_n=10\left(2\right)^{n-1}$

Tags

CCSS.HSF.BF.A.2

What is the formula for the nth term of the sequence 54, 18, 6, ....... ?

• $a_n=6\left(\frac{1}{3}\right)^n$

• $a_n=6\left(\frac{1}{3}\right)^{n-1}$

• $a_n=54\left(\frac{1}{3}\right)^n$

• $a_n=54\left(\frac{1}{3}\right)^{n-1}$

Tags

CCSS.HSF.BF.A.2

A sequence has the following terms  $a_1=4$ ,  $a_2=10,\$   $a_3=25,$   $a_4=62.5$  . Which formula represents the nth term in the sequence?

•  $a_n=4+2.5n$  

•  $a_n=4+2.5\left(n-1\right)$  

•  $a_n=4\left(2.5\right)^n$  

•  $a_n=4\left(2.5\right)^{n-1}$  

Tags

CCSS.HSF.LE.A.2

Name the formula

• Arithmethic Sequence

• Geometric Sequence

• Square Root

• Slope Formula

Tags

CCSS.HSF.BF.A.2

The letter d in the formula for Arithemtic Sequence stands for __________________________?

• Common Division

• Common Denominator

• Common Difference

• Common Distance

Tags

CCSS.HSF.BF.A.2

This formula is called _____________________.

• Exponential

• Geometric Sequence

• Arithmetic Sequence

• Quadratic

Tags

CCSS.HSF.BF.A.2

The common ratio in a geometric sequence is used to represent __________ or __________ in a sequence.

• Add or Subtract

• Multiply or Division

• Linear or Exponential

• Shift Left or Shift Right

Tags

CCSS.HSF.BF.A.2