What is the GCF for 12y and 28xy?

👨🏻‍🏫 學術台數學

[匿名]

2009-04-25 4:27 am

What is the GCF for 12y and 28xy? Thanks alot!!

a) 2y

b) 4y

c) 84y

d) y

回答 (5)

An ESL Learner

2009-04-25 5:53 am

✔ 最佳答案

..12y = 2^2 * 3 ..........* y
28xy = 2^2 .....* 7 * x * y
--------------------------------------------
...........2^2 ...............* y
........= 4y

👍 0 👎 0

[匿名]

2009-04-25 11:31 am

👍 1 👎 0

[匿名]

2009-04-25 11:41 am

it's 4y because if you look, both monomials have a y and the GCF between 12 and 28 are 4.

👍 0 👎 0

nozar nazari

2009-04-25 11:40 am

b) 4y

👍 0 👎 0

[匿名]

2009-04-25 11:35 am

👍 0 👎 0