I just published the playlist of my video explanations to all of the math questions in the 2024 September ACT (Form H11) Test.

## 2024 June ACT Form G20: Video Explanations

I just published the playlist of my video explanations to all of the math questions in the 2024 June ACT (Form G20) Test.

## ACT announces a shorter test

ACT announces a shorter test with Science section optional along the lines of Writing section. 44 fewer questions and 2 hour long for the core ACT test(English, Math, and Reading). More details from ACT at this link: **The ACT Test Is Evolving**

## 2024 April ACT Form G19: Video Explanations

I just published the playlist of my video explanations to all of the math questions in the 2024 April ACT (Form G19) Test.

## Arithmetic Sequences: ACT Math Practice Question

Try the following ACT math practice question that tests your understanding of arithmetic sequences.

The first four terms of an arithmetic sequence are $a, x, b, 2x$. The ratio of $a$ to $b$ is

- $\quad \displaystyle \frac{1}{4}$
- $\quad \displaystyle \frac{1}{3}$
- $\quad \displaystyle \frac{1}{2}$
- $\quad \displaystyle \frac{2}{3}$
- $\quad 2$

**Video Explanation**

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