Thursday, January 31, 2013

This week in class....

Hello, everyone! This week we have been discussing Solving a System of Linear Equations in Algebra Class. Here is a video on Solving a System of Linear Equations using the substitution method. In class we are doing problems similar to pg. 466 #10-15 in our text. In 7th grade, we are following the algorithm: Start Change End with integers applying it to temperature. For example: Start with 6, change with -15, and end with -9. That is, 6 + -15 = -9. In the regular 8th grade, we are reading graphs and tables to identify linear, quadratic, or other functions. For example: x = {1,2,3,4,5,6} and y = (8, 20, 36, 56, 80, 108} The change in x is +1. The change in y is +12, +16, +20, +24, +28. The second change in y is +4, constantly. So the function with this x and y values is quadratic.