5. Sine law, with the sine law, you’re either given: 2 sides and one angle, or 2 angles and a side to find either the side or the angle.

4. How to use the Quadratic Formula, you usually use this method when you can’t factor a quadratic equation, you’re guaranteed to get the roots of the equation, this is very useful, but can take up a lot of time

3. Absolute Value, an absolute value equation will have the 2 longer lines, almost acting as brackets, when it’s in absolute value, it means how far a number is away from 0, you can’t get a negative answer for absolute value.

2. Arithmetic Series and sequences, recognizing patterns is a great skill to use in your everyday life, finding the tn, for me is the hardest part.

1. Factoring, I feel like the most important skill I learned this year was to factor, because it applies to more than 1 unit, to expand a question in rational equations is the first step and foiling is used a lot within the semester.