Question
Which pattern can describe the numbers 2,4,10,28, and so on?
A. For each number after first, add 4 to previous number in the list.
B. For each number after first, multiply the previous number by 3 and subtract 2.
C. For each number after first, add 2 or 6 to previous number.
D. For each number including the first, multiply by 2,3,4, and so on.
I chose answer C. Is that the correct answer? If not please explain what I did wrong.
A. For each number after first, add 4 to previous number in the list.
B. For each number after first, multiply the previous number by 3 and subtract 2.
C. For each number after first, add 2 or 6 to previous number.
D. For each number including the first, multiply by 2,3,4, and so on.
I chose answer C. Is that the correct answer? If not please explain what I did wrong.
Answers
jamar
Please help! Is my answer correct?
Steve
well, does C work?
2+2=4
4+6=10
10+2=28? Nope
10+6=28? Nope
You can see the numbers grow at an increasing rate. So, A and C cannot work.
D is clearly wrong, so let's try B.
3x2-2 = 4
4x3-2 = 10
10x3-2 = 28
Looks like B to me.
2+2=4
4+6=10
10+2=28? Nope
10+6=28? Nope
You can see the numbers grow at an increasing rate. So, A and C cannot work.
D is clearly wrong, so let's try B.
3x2-2 = 4
4x3-2 = 10
10x3-2 = 28
Looks like B to me.
Landon
what is this answer multiply 8 by 9, then multiply 4 by the result