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What is the greatest common factor of 12a and 9a2? 9 36 3a 12a2

Kristi Hammond

in Mathematics

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Eric Morgan on August 27, 2018

The correct answer is option C, that is to say, 3a. The factorization of 12a = 3*2*2*a and the factorization of 9a^2 = 3*3*to*. Therefore, the GCF/HCF, or the largest / greatest common factor of 12a and 9a^2 = 3a. Therefore, HCF(12a, 9a^2 ) = 3a


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