6917186
Description
Flashcards by Sara Vieyra, updated more than 1 year ago
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Created by Sara Vieyra
about 8 years ago
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| Question | Answer |
| Is 420 divisible 2? | Yes, by 210 |
| Is 309 divisible by 3 | Yes, by 103 |
| Is 120 divisible by 7? | No, because it gives you a decimal |
| Is 319 divisible by 2,3,5,6,9? | No, none go into it perfectly. |
| Is 411 divisible by 2,3,5,6,9? | No, but only 3 goes into it perfectly by 137. |
| Is 455 divisible by 2,3,5,6,9? | No, but it only goes into it perfectly by 5 by 91 |
| List all factors of 28 | 1,28,2,14,4,7 |
| list all factors of 72 | 1,72,2,36,3,24,4,18,6,12,8,9 |
| Write the prime-factorization of 48 | 48 2 24 12 2 3 4 2 2 2^4 x 3 |
| Find the GCF of 39 and 6 | 39: 1,39,3,73 6: 1,6,3,2 : 3 |
| Find the GCF of 55 and 75 | 55: 1,55,5,11 75: 1,75,5,15 : 5 |
| Find the GCF of 40 and 10 | 40: 1,40,10,4,5,8,2,20 10: 1,10,5,2 : 10 |
| simply square root of 125n | sqare root of 125n square root of 5 x square root of 25 square root of 5 x square root of 5 = 5 square root of 5n |
| simply square root of 512m^3 | Square root of 512^3 square root of 256 x square root of 2 square root of 256 is 64 square root of 4 is 2 and 2 square root of 16 is 4 and 4 square root of 4 is 2 and 2 square root of 4 is 2 and 2 =16m square root of 2m |
| simply or 75x^2y | square root of 75 is 3 and 25 square root of 25 is 5 (x^2) times 1/2 + or - 5x square root 3y |
| subtract 3 square root of 6 - 4 square root of 6 | Subtract the 3 and the 4 and 6 remains the same = - square root of 6 |
| Add -10 square root of 7 + 12 square root of 27 | -22 square root of 21 |
| Subtract 2 square root of 6 - 2 square root of 24 | 2 square root of 6 stays the same 2 square root of 24 is 2 square root of 6 x 4 2 square root of 6 - 4 square root of =-2 square root of 6 |
| Multiply 3 square root of 12 x square root of 6 | 3 square root of 12 x 6 3 square root of 72 square root of 72 is 2 and 36 6 x 3 square root of 36 x 2 = 18 square root of 2 |
| Multiply square root 5 square x square root of 10 | square root 5 x 10 square root 50 square root 25 x 2 = 5 square root 2 |
| square root 5 x -4 square root 20 -4 square root 5 x 20 | -4 square root 5 x 20 -4 square root 100 -4 x 10 =40 |
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