What is the value of the 35th term in the sequence -15, -11, -7, ...? 121 125 151 374

121

Step-by-step explanation:

This is an arithmetic sequence.

First term  a = -15

Common difference [d] = second term - first term

                                  = -11 - [-15] = -11 + 15 = 4

nth term = a + (n-1) * d

35th term = -15 + (35 - 1) * 4

                = -15 + 34 * 4

                = - 15 + 136

                = 121

121 and 257

Step-by-step explanation:

So we would have our equation for arithmetic sequences which is a1 is the first term, n is the term we want to know, and d is the common difference. We would plug in the numbers into the equation so we would get . And if you simplify you would get .

Than for the other one we would do the same thing so you would get and if you simplify you would get .

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