ACT/SAT Math Practice Question: Writing a Formula to Describe a Trend

On the ACT and SAT math sections, you will come across questions about exponential and linear trends that will ask you to write a formula to describe the trend in question. In today’s post, we’re sharing an example of how to write a formula to describe a trend.

ACT/SAT Math Practice Question

Watch an example walkthrough of a math practice question in the video below. This video is from Olive Book’s weekly AMA Zoom call with Cristina, one of Olive Book’s course creators. Join us on Wednesdays at 8 pm ET for a free 60 minute Zoom study session with a new lesson every week.

Remember that you can join us Wednesdays at 8 PM ET for a free Zoom study session with Cristina (she’s the one in the video!). You can ask questions or just listen to the lesson. Click the button below for the Zoom link.

For more SAT and ACT Math practice, enroll in our online SAT and ACT courses. They have hundreds of animated practice questions, ACT/SAT style Math questions, and plenty of test tips and study guides. Learn more and enroll at

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