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  1. DAT Destroyer

    DAT/OAT Math: Absolute Value Function Graph Transformations | DAT Destroyer | OAT Destroyer | Dr. Jim Romano

    n you determine the equation of the green graph? This problem tests your understanding of absolute value graph transformations, including reflection across the x-axis, horizontal shifts, vertical shifts, and identifying the vertex. Try solving it before checking the solution. Free DAT and...
  2. DAT Destroyer

    DAT DAT/OAT Math: Absolute Value Function Graph Transformations | DAT Destroyer | OAT Destroyer | Dr. Jim Romano

    Understanding graph transformations is essential for success on the DAT and OAT Quantitative Reasoning section. In this Math Destroyer problem, you'll identify the equation of an absolute value function by analyzing: Reflection across the x-axis Horizontal translation Vertical translation...
  3. DAT Destroyer

    VIDEO 🎥➡️DAT/OAT Math: Compound vs. Simple Interest Explained | DAT Destroyer | OAT Destroyer | Dr. Jim Romano

    Many DAT and OAT students confuse simple interest with compound interest, especially under timed exam conditions. In this lesson, Dr. Jim Romano explains the key differences, the formulas you need to know, and how to solve these problems efficiently on test day. 📹 Video: Free DAT & OAT...
  4. DAT Destroyer

    DAT VIDEO 🎥➡️Compound vs. Simple Interest Explained | DAT Math | OAT Math | Dr. Jim Romano | DAT Destroyer | OAT Destroyer

    Understanding the difference between simple interest and compound interest is an important skill for the DAT and OAT Quantitative Reasoning section. In this video, Dr. Jim Romano walks through the concepts step by step and shows how to recognize and solve these problems quickly on test day...
  5. DAT Destroyer

    DAT 🎥VIDEO DAT & OAT Probability Question | DAT Destroyer | Dr. Jim Romano

    Probability questions are among the highest-yield topics on both the DAT and OAT Quantitative Reasoning (QR) sections. In this video, Professor Blois demonstrates a step-by-step approach to solving a probability question and explains strategies you can apply on test day. 🎥 Watch the video...
  6. DAT Destroyer

    DAT DAT Heart Rate Percentage Change Challenge | DAT Destroyer | OAT Destroyer | Dr. Jim Romano

    A percentage increase followed by a percentage decrease does not necessarily cancel out. Can you solve this DAT Quantitative Reasoning problem before viewing the answer on the second slide? Many students incorrectly assume that a 50% increase followed by a 30% decrease results in a 20%...
  7. DAT Destroyer

    DAT 🎥Video: High-Yield Probability Question for the DAT Math Section | DAT Destroyer | OAT Destroyer

    Here is a high-yield DAT Math (QR) probability question — a topic many students struggle with on test day. This walkthrough is taught by Prof. Blois and is representative of the style and reasoning you will face on the actual exam. 📌 Watch the video: Probability questions are extremely...