Alg 2 CW 9-3-25 Arithmetic Sequences, Find Common Diff & First T

• 4
• 8
• y=4x + 4     or  Tn= 4n + 4
• 3
• 5
• y=4x + 8  or  Tn=4n + 8
• y = 4x - 4   or Tn = 4x - 4
• y = 3x + 4   or Tn = 3n + 4
• 2
• 0

Tags

CCSS.HSF.BF.A.2

• 3
• 4
• y=3x + 1   or  Tn = 3n + 1
• 2
• 5
• y= 3x + 4  or Tn= 3n + 4
• 31
• 34
• 33
• y=3x + 7 or Tn=3n + 7

Tags

CCSS.HSF.BF.A.2

If the 3rd term (a1) of an arithmetic sequence is 17 and the 8th term is -8,

a) Find the common difference:, d=​ (a)  

b) What is the equation of the sequence: ​ (b)  

c) Use your equation to find the 10th term : ​ (c)  

• -5
• y= -5x + 32   or   Tn= -5n + 32
• -18
• -6
• 4
• y= -4x + 31  or Tn= -4n + 31
• y= -6x + 27  or Tn = -6n + 27
• 5
• -10
• -4

Tags

CCSS.HSF.BF.A.2

If the 5th term of an arithmetic sequence is 0, and the 10th term is 10,

a) Find the common difference, d = ​ (a)   , and the first term, a1 =​ (b)  

b) What is the equation of the sequence? ​ (c)  

• 8
• 4
• y= 2x  - 10 or Tn = 2n - 10
• 2
• -8
• y= 4x - 8  or Tn= 4n - 8
• y= 2x + 8  or Tn= 2n + 8

Tags

CCSS.HSF.BF.A.2

If the 3rd term of an arithmetic sequence is 11, and the 9th term is 41,

a) Find the common difference, d = ​ (a)   , and the first term, a1 = ​ (b)   .

b) Find the equation of the sequence: ​ (c)  

(Keep your equation, you will graph in the next question)

• 5
• 1
• y = 5x - 4   or Tn= 5n - 4
• 2
• -4
• 4
• -5
• y = 4x - 5 or Tn= 4n - 5
• y= 5x + 1  or Tn= 5n + 1

Tags

CCSS.HSF.BF.A.2

Graph your equation from the last question.

Tags

CCSS.8.EE.C.8B