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Radicals
Description
radicals
No tags specified
radicals
numbers
math
10th grade
Mind Map by
Yuridia Maya Arroyo
, updated more than 1 year ago
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Created by
Yuridia Maya Arroyo
about 8 years ago
32
2
0
Resource summary
Radicals
divisibility and factors
to find out if a number is divisible by 3 just add all the numbers and then see if that number is divisible by 3
example; 319 you would add 3+1+9=13 319 is not divisible by 3 because 13 cant be divided by 3
319 is not divisible by 3 because 3+1+9=13 and 13 is not divisible by 3
factors and factorization
factors are the number that a certain number is divisible by.
you could also solve these problems by doing factor trees
The greatest common factor (GCF) is the the biggest number that 2 certain numbers are divisible by
Example: 20 and 10
20: 1,2,4,5,10,20
10:: 1,2,5,10
The GCF is 10
Simplifying radicals
You need to find a pair a numbers that will multily to equal it. Then make sure that at least one of the numbers is a perfect square.
Adding and subtracting radicals
You just add the square roots unless they're not the same. Then you have to go through the process of simplifying.
3 square root of 3 - square root of 27
3 square root of 3 minus square root of 9 x 3
3 square root - three square root of three
Equals 0
multiplying radicals
When multiplying radicals, you must multiply the numbers OUTSIDE the radicals and then multiply the numbers INSIDE the radicals.
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