is written on the first card, on the second, on the third and so on through, with no numbers repeated. The shaded region inside the circle and outside the triangle has an area of square centimeters. Point D is the midpoint of AC, which is 22 cm long. As shown in the figure below, A is the center of the circle, and right triangle ABC intersects the circle at D and E. Which of the following expresses 2 (y+2)in terms of x?Ģ. Let x and y be nonzero real numbers such that 2 (y+1)=2 x. ![]() Want to make sure you’ve mastered the trickiest concepts in all areas? For ACT challenge problems from other ACT sections, check out:ġ. Think you’re ready to put your skills to the test? Check out the twelve ACT math challenge problems we’ve put together for you below. ![]() Does it mean you can’t solve them? Absolutely not! To master these problems, you’ll need to refresh your understanding of the concepts, then put them into practice. Instead, it’s because they take some of the foundations of math topics you’ve already studied in school, like pre-algebra, algebra, and geometry, and turn them into multi-step processes that may combine concepts from different areas.ĭoes this make them challenging? Yep. If you’re wondering why hard ACT Math problems are so difficult, know that it’s not because they test crazy advanced topics like multivariable calculus or anything like that.
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