Question | Answer |
Rules for divisibility | 2. even number 0,2,4,6,8
3. sum of the digits is divisible by 3
4. last 2 digits are divisible by 4
5. ends in 0 or 5
6. if divisible by 2 and 3 (has to be both)
8. last 3 digits divisible by 8
9. the sum of the digits divide by 9
10. ends in zero |
Factors | numbers that are evenly divisible by a number |
Order of operations | PEMDAS parenthesis, exponents, multiply, divide, add, subtract |
Exponent | method of showing repeated mult. = how many times to multiply a number by itself |
Base | the big main number |
Power | smaller number at top |
(-3)^2 Means | exponent |
-3^2 means | |
Prime Numbers | a number with 2 factors |
Composite Numbers | a number with 3 or more factors |
GCF | the greatest number that is divisible into a set of numbers |
Variable GCF (example: x^2 y^2 xy^2) | |
Prime factorization (example: 120) | |
Finding prime factorization using GCF | |
Simplifying Variable expressions | subtracting the exponents |
Rational NUmbers - Give examples of rational numbers | |
Negative Rational numbers- how do you write | |
Multiplying exponent rule example 4x^3y^5x3x^2yz^2 | multiplying powers with the same base |
Power of power rule | power of a power |
Zero exponent rule | |
zero exponent rule | |
negative exponent rule | |
write without negative exponents | |
rewrite without a fraction bar | |
rewrite without zero or negative exponents and simplify | |
(example: x^2 y^2 xy^2) | |
(example: 120) | |
example 4x^3y^5x3x^2yz^2 | |
Example 78 and 124 | |
example (12x^2y^5)/(8x^4y^2 | |
Courtney Bethell | Period 4 |