100 POINTS! PLEASE HELP ASAP!

1. Write the first 4 terms of the geometric sequence where a1 = -8 and r = -2

2. What is the fourth term of the sequence (pictured)

3. What is a5 for the sequence defined by (pictured)

PICTURE #1

Step 1:  Solve for

a1 = 5

+ 3

Step 2:  Solve for

+ 3

Step 3:  Solve for

+ 3

The fourth terms is:  

PICTURE #2

Step 1:  Find

Step 2:  Find

Step 3:  Find

Step 4:  Find

 The fifth term for the second picture is ->

Question #1:

Since the common ratio is -2 that means each term is going to be multiplied by -2 to get the next term.

First term: -8

Second term: -8 * -2 = 16

Third term: 16 * -2 = -32

Fourth term: -32 * -2 = 64

Therefore, the first 4 terms of the geometric sequence are -8, 16, -32, 64

Question #2:

It gives an equation to follow to solve for each term of the sequence. We can solve for each term till we get to the 4th term.

Second term:

a2 = 2(5) + 3

a2 = 10 + 3

a2 = 13

Third term:

a3 = 2(13) + 3

a3 = 26 + 3

a3 = 29

Fourth term:

a4 = 2(29) + 3

a4 = 58 + 3

a4 = 61

Therefore, the fourth term of the sequence is 61.

Question #3:

a5 just means that we are going to find the fifth term of the sequence.

Second term:

a2 = -3(2) + 2

a2 = -6 + 2

a2 = -4

Third term:

a3 = -3(-4) + 2

a3 = 12 + 2

a3 = 14

Fourth term:

a4 = -3(14) + 2

a4 = -42 + 2

a4 = -40

Fifth term:

a5 = -3(-40) + 2

a5 = 120 + 2

a5 = 122

Therefore, the fifth term of the sequence is 122.

Best of Luck!

yes

step-by-step explanation:

answer for #1 is c

answer for #2 is d

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