NUMBER SEQUENCES

Question

identify the sequence as arithmetic, geometric, both, or neither.

1. 7, 9, 11, 13,...

arithmetic****
geometric
both
neither

2. 2, 1, 1/2, 1/4,...

arithmetic
geometric****
both
neither

write a rule for the sequence

3. 1, 2, 4, 8,...

start with 1 and then add 1 repeatedly
start with 1 and then multiples of 2 repeatedly
start with 1 and then multiply by 2 repeatedly****
start with 1 and then divide by 2 repeatedly

4. 50, 40, 30, 20,...

start with 50 and then add 10 repeatedly
start with 50 and then add -10 repeatedly****
start with 20 and then add 10 repeatedly
start with 50 and then add multiples of 10 repeatedly

find the next three terms in the sequence

5. 4, 12, 36, 108,...

304, 912, 2,736
324, 972, 2,916****
354, 1,062, 3,186
332, 996, 2,988

correct me if i am wrong

Answer 1

no correction needed

Answer 2

ok thx

Answer 3

Number 5 is actually C

Answer 4

Anonymous is right i got 100% so its A B C B C

Answer 5

pumpkin thx I got a 100
1.A
2.B
3.C
4.B
5.C

Answer 6

Thx pumpkin and to the people that think the math teacher changes their answer is wrong don't believe them

Answer 7

@Pumpkin Smiley, she is 100% correct

Answer 8

1.A
2.B
3.C
4.B
5.C
Ty

Answer 9

I CANT FIND ANY ANSWERS TO THIS STUPIB MATHXL TEST WHAT IS THE MATTER WITH THEESSEE PEOPLESSS?

Answer 10

because everyone gets different questions when they open the test