Rafael's Blog

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Math 11

Week 13

This week in math we learned how to solve linear absolute value equations algebraically. This can be done by first splitting the desired equation into two. One being the original equation (without absolute value brackets), and the second being similar… Continue Reading →

Week 12

This week in math I learned/understood how to substitute. Last year we learned the concept but I never really understood how to do it. With substitution we must isolate one variable, probably the easiest one to isolate. From there we… Continue Reading →

Week 11

This week in math we learned how to solve inequalities, specifically, quadratic inequalities. To solve for these inequalities we require the “zeros” of the quadratic, this means that we must factor the quadratic. With the “zeros” or roots we can… Continue Reading →

Week 10

This week in math was a review week; specifically, a review and preparation for the upcoming midterm. I was fairly confident in unit 1, but I still had to look over a few of the ideas from the chapter, such… Continue Reading →

Week 9

This week in math we learned about how to find the vertex of a quadratic equation that is in factored form. Firstly, you need to find the x-intercepts of the equation. Once that has been found you need to find… Continue Reading →

Week 8

This week in math we learned about the three different forms to a quadratic equation, all of which are equivalent. The three forms are called, Standard (Vertex) Form, General Form, and Factored Form. Why are there three different forms? Each… Continue Reading →

Week 7

This week in math we learned about the discriminant. This is part of the quadratic formula, specifically this part,  the letters a, b, and c, represent the coefficients in order of a trinomial from left to right. The reason why… Continue Reading →

Week 6 – Quadratic Formula

This week I learned how to solve quadratic equations using the quadratic formula. The quadratic formula is used to solve quadratic equations. It is most often used when a quadratic equation is non-factorable or hard to factor. With this formula I insert… Continue Reading →

Week 5 – Difference of Squares

This week I learned how to solve for the difference of squares. To determine if a sequence can be identified as a difference of squares there are three things you should look for. First, you should look if the sequence is a… Continue Reading →

Week 4 Dividing Square Roots

This week I learned about dividing square roots, this concept was quite difficult at first and it took some time to understand the idea. We learned a topic called “Rationalizing the denominator,” which is removing the root from the denominator… Continue Reading →

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