Vocab #1
A number that starts from 0-1,2,3,... to the idea of Infinity
What is the first, most important rule, when doing a problem?
Pemdas
Symplify!
6+2 (10+3) =?
Answer is...
32
What are rational numbers?
Any number that can be written as a fraction!
When there is two parenthesis, and on of them is empty, which one do you do first?
The one that has a problem in it. .Then after you do multiplication, then devision, and then left to right!
Bonus 200 if you say what all of them mean!!!
Parenthesis
Exponents
Multiplication
Devision
Additon
Subtraction
When im doing absolute value, the answer can not be...
Solve
|-3| =???
|3|
What is a null set?
A set with no elements in it
When their is two negatives it becomes a...
positive!
What is Union and Intersection?
Union= Combination of two or more sets
Intersection= the same in two sets
When i am doing absolute value, And the answer is a negative it is
No Solution
{1,2,3,4,5,}
{1,3,5}
What is the difference between inclusive, and non inclusive?
inclusive= includes every number. Ex 1-4. u include 1,2,3,4, which equals 3!
Non- Inclusive= does not include every number. Ex, 1-4. 2
When there are three negatives It equals a...
Odd! hint, 3 is odd
What is a variable, and what is a constant?
100 bonus points, if you say the difference!
variable= A letter that represents a number
Constant= A number that stays the same
bonus points! A variable is letters, constants are numbers. and variables can change, and constants can't.
Whats the rule with recipricals?
Only flip the 2nd fraction!
Ahead or behind?
I got a bill for $37, and then a check for $54, ahead or behind? by how much?
+17 Ahead
What are the 3 grouping symbols?
parenthesis ( )
Fraction bar
Brackets [ ]
what is the rule with distributing?
When you have a variable, inside a parenthesis with another number, you go right outside, and multiply it, by each number inside!
What is absolute value?
The distance from zero
What is the difference between symplify and solve?
symplify= you have all of the information, but you just have to make it simpler
Solve= dig deeper, and find more numbers
What is the absolute value of...
|x+3|???
Extra 150 points if you say if its no solution or not!
-4! NO SOLUTION! the answer can not be a negative!
200 extra bonus Points if you can solve the problems!
1. 5>6. =?
2. 32<10 =?
Greater or less than signs!
5>= Greater than
5<= Less than
True or False
1. True!
2. False!
What is the difference between Communative and associative property?
Communative= the grouping is changed, but doesnt affect the answer
Associative= The grouping is changed, but doesn't affect the answer!