Here is the link to the playlist of videos that explain all of the math questions in the 2018 October SAT Question and Answer Service test. The playlists are separated by sections. Section 3 of the math section does not the allow use of calculator, whereas the calculator is permitted in Section 4 of the math section.
Archives for October 2018
SAT math practice question: Functions and factors
Try the following SAT math question (No Calculator) that tests your understanding of x-intercepts and factors of a polynomial function.
In the $xy$-coordinate plane, the three $x$-intercepts of the graph of the polynomial function $p$ are $-1, 0,$ and $2$. Which of the following is NOT a factor of $p$?
- $\quad x^2-1$
- $\quad x^2+x$
- $\quad x^2-2x$
- $\quad x^2-x-2$