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 $4-x^2+2x^3-x^4$ ?
- $\quad (2-x)(2-x+x^3)$
- $\quad (2-x)(2+x-x^3)$
- $\quad (2-x)(2+x+x^3)$
- $\quad (2-x)(2-x-x^3)$
2022 PSAT Wednesday Test: Video explanations posted
I just published the playlist of videos that explain all of the math questions in the 2022 PSAT Wednesday Test that was administered on 12th October 2022.
SAT math practice question: Functions
Try the following SAT math practice question (No Calculator, Grid in question) that tests your understanding of evaluating functions.
Let $f$ be a function for which $f(x-1)=-3f(x)+2$ for all values of $x$. If $f(2)=3$, what is the value of $f(0)$?
- « Previous Page
- 1
- …
- 3
- 4
- 5
- 6
- 7
- …
- 23
- Next Page »