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Strategies For Math
ACT Prep
| Question | Answer |
|---|---|
| Even number dived evenly by 2. | (-4,-4,0,2,4) |
| Odd numbers can;t be dived evenly by 2. | (3,-1,0,1,3) |
| Prime Numbers | Can only be divided by 1, and itself. (2,3,5,7,9,11,13) |
| Absolute Value | a number distant between that number zero |6|=6 |
| Variables | Letters that represent numbers in a equation |
| Coefficents | Numbers in a equation |
| Divisible by 3 | any number if the sum can be divided by 3 |
| Divisible by 6 | if it ca be divided by the factors of 6 (2,3) |
| Divided by 9 | Any number is divided by 9 if the sum of its digits is divisible by 9 |
| Equal Sign | = (5=2+3) |
| not equal sign | = |
| strict inequallity | > (5>4) |
| Strict inequality | 4<5 |
| Parentheses | ( ) |
| Brackets | [ ] |
| Plus sign | 1+1=2 |
| Minus Sign | 2-1=1 |
| Plus - mInus | + - |
| Minus- Plus | - + |
| Asterisk | * |
| Times | 2x3=6 |
| Multiple | 2.3=6 |
| Divsion | 6/2 |