In this video lesson, I review the basic concepts of percentages and percent changes that are tested on the SAT math section.
Fractional Exponents: SAT Math concepts
In this video lesson, I review the basic concepts of fractional exponents that are tested on the SAT math section.
General equation of a parabola: SAT Math concepts
In this video lesson, I review the basics of the general equation of a parabola that shows up in different forms on the SAT math.
How to use Desmos calculator in Digital SAT
In the video below, I go over four types of digital SAT math questions that can be easily solved with the help of the Desmos graphing calculator that will be part of the new digital SAT which will be rolled out for international SAT test takers in spring of 2023, and in the US beginning spring of 2024.
SAT math practice question: Factoring expressions
Try the following SAT math practice question (Calculator Permitted) that tests your ability to factor algebraic expressions.
Question(Calculator Permitted):
Which of the following is equivalent to the expression $4-x^2+2x^3-x^4$ ?
- $\quad (2-x)(2-x+x^3)$
- $\quad (2-x)(2+x-x^3)$
- $\quad (2-x)(2+x+x^3)$
- $\quad (2-x)(2-x-x^3)$
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