Here is the link to the playlist of videos that explain all of the math questions in the 2018 March SAT Question and Answer Service test. The playlists are separated by sections. Section 3 of the math section does not allow use of calculator, whereas the calculator is permitted in Section 4 of the math section.
SAT math practice question: Complex number expression
Try the following SAT math question that tests your understanding of simplifying complex number expressions.
$$ i^{10}+i^{11}+i^{12}+i^{13}$$
Which of the following is equivalent to the complex number expression shown above? (Note: $i =\sqrt{-1}$)
- $\quad -1$
- $\quad 0$
- $\quad i$
- $\quad 1$
2017 PSAT Saturday Test: Video explanations
Here is the link to the playlist of videos that explain all of the math questions in the 2017 PSAT Saturday test that was conducted on the 14th of October: 2017 PSAT Saturday Test Video Explanations.
2017 October SAT Test: Video explanations
Here is the link to the playlist of videos that explain all of the math questions in the 2017 October SAT Question and Answer Service test. The playlists are separated by sections. Section 3 of the math section does not allow use of calculator, whereas the calculator is permitted in Section 4 of the math section.
2017 PSAT Wednesday Test: Video explanations
Here is the link to the playlist of videos that explain all of the math questions in the 2017 PSAT Wednesday test that was conducted on the 11th of October: 2017 PSAT Wednesday Test Video Explanations.
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