This week in pre-calculus, we elaborated more on quadratics and began graphing with them. We learned a lot about graphing different things and some new vocabulary. I was a little confused by the end of the week but after reviewing my notes and going over some different concepts, it’s becoming much easier.
We learned about the 7 most important things when graphing. These include:
- X intercept
- Y intercept
- Domain
- Range
- Vertex
- Line symmetry
- 1,3,5
These help you understand graphing a little better, in my opinion. The first thing we worked on this week that I struggled with the most was a very simple concept. It was just graphing with T charts. I hadn’t graphed since year so just wasn’t understand how to do it when you add in different variable to the equation.
I’m gonna use the first one as an example. Y= 2X^2. This is very simple with a t chart. You just make a list of X values (-1,-2,-3,0,1,2,3 being the easiest) and input them into the equations.
Example is 2X^2 = 2(1)^2
The answer would then be 4, and then you have your Y value for graphing. After reviewing this, it was quite simple; it just took me a second. I enjoy this class as I feel like I can just use the base concepts I’ve learned in math throughout the years without having to learn any crazy new concepts. Eveerything seems to link back to the foundations we learned.