Use the graph below to determine a1 and d for the sequence.

graphed sequence showing point 1, 2, point 2, 5, point 3, 8, point 4, 11, point 5, 14, and point 6, 17

a1 = 1; d = 3
a1 = 1; d = −3
a1 = 2; d = 3
a1 = 2; d = −3

Respuesta :

A1 would be the first y value, which is 3 and d is the ratio ( distance between each y value) which is 3 ( add 3 to the y value to get the next one)

The answer is a1= 2, d = 3

The values of a1 and d for the given sequence are a1=2 and d=3.

Since the points of the graph form an arithmetic sequence, the values of a1 and d are determined.

What is meant by the graph of an arithmetic sequence?

  • The graph of an arithmetic sequence forms a set of discrete points lying on a straight line.
  • This states that an arithmetic sequence is a linear function.
  • In the sequence, every consecutive term is differed by a common value called common difference (d)
  • The terms in the sequence are given as a1, a2, a3,..., an  
  • Common difference [tex]d=a_n-a_{n-1}[/tex]
  • In the graph, y values in each point represent the sequence.

Calculating the required values from the graph of points:

Since the point in the graph forms a straight line (linear graph), this is an arithmetic sequence.

Points are given as

A- (1,2)

B- (2,5)

C- (3,8)

D- (4,11)

E- (5,14)

D- (6,17)

So, from this sequence of the point, we can write

a1=2, a2=5, a3=8, a4=11, a5=14, a6=17

Then, the difference (d) is

d=a2-a1

 =5 - 2

 =3

we can also obtain this from a3-a2=8-5=3 and so on.

Therefore, option C: a1=2 and d=3 is true.

Thus, the values are a1=2 and d=3.

Learn more about the graph of arithmetic sequences here:

https://brainly.com/question/14267567

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