unit+2+journal

1.1 i did by hand

2.2 Describe the 3 different methods for solving (finding a solution) to a system of equations. Why/When would you choose one method over the another? What are you looking for in each system to determine the best method? Discuss any tricks or special techniques to remember when solving each of the methods. method #1 substitution method #2 elimination method#3 graphing i would use substitution when one of the equation have a veriable by it self. i would use elimination when both equation have differet variable and i would eliminate one of the variables by multipling one of the equation i would use graphing when both equations are in Y=mx+b