By: Jean Luc van Beusekom Aldana If I have a grade of 65 of more then I pass the year If I get good grades then my parents will be happy If I sleep early then I'm going to have energy A if-then statement is when you say that if something happens another thing will happen because of that A counter example is a reason that says why something can be by another thing If I get good grades then my mom will be happy (counter ex. : if I clean my room then my mom will be happy) If I sleep early then I will have energy (counter ex. : If I drink an energy drink then I will have energy) If I get good grades then I will go to the party (counter ex. : if i behave then ill go to the party Definition is the description of what something is. Cell phone: a hand-held mobile radiotelephone for use in an area divided into small sections, each with its own short-range transmitter/receiver organ - a fully differentiated structural and functional unit in an animal that is specialized for some particular function Mathematics is the study of quantity, structure, space, and change. Mathematicians seek out patterns, formulate new conjectures, and establish truth by rigorous deduction from appropriately chosen axioms and definitions. Biconditional statement is when theres only one reason why things happens. They are used to explain specific things, they are important to give only one reason to the things I pass to the next grade if and only if my average is above 65 I will know the answers if and only if I study I know what it feels like if I only if I try it Deductive reasoning is when you grab different facts and out them together to come up with a conclusion 1.If you jump you can run If you run you can walk So if you jump you can walk 2. If you breath, you have lungs If you have lungs you are alive So if you breath you are alive 3.If you are a human you are a living species If you are a living species you reason If you are a human you reason Law of detachment and law of sillogism. Is when two angle are together and add up to 180 degrees Is when two angles are equal and this is used in the proofs To write a 2 column proof you need to do 2 columns one that says statements and one reason statement reason Vertical angles is 4 angles which add up to 360 degrees 90 90 90 90 2 1 3 4