## Test your basic knowledge |

# GRE Math 2

**Instructions:**

- Answer 50 questions in 15 minutes.
- If you are not ready to take this test, you can study here.
- Match each statement with the correct term.
- Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

**1. Radius (Radii)**

**2. a+b**

**3. What is the distance formula?**

**4. If something is certain to happen - how is the probability of this event expressed mathematically?**

**5. x^a * x^b = x^__**

**6. Does order matter for a permutation? How about for a combination?**

**7. How do you solve a permutation?**

**8. How do you calculate the percentage of change?**

**9. (a+b)(a-b)=**

**10. How do you find the sum of an arithmetic sequence?**

**11. length of a sector**

**12. What do permutation problems often ask for?**

**13. In a parabola - if the first term is positive - the parabola ________.**

**14. perimeter of square**

**15. Diameter**

**16. How do you multiply powers with the same base?**

**17. Area of a square**

**18. What is the area of a solid rectangle?**

**19. List two odd behaviors of exponents**

**20. In intersecting lines - opposite angles are _____.**

**21. What kind of triangle is this: has two sides of equal length - and a 90 degree angle?**

**22. Surface Area of rectangular prism**

**23. What is directly proportional?**

**24. Volume of pyramid**

**25. Circumference of a circle using radius**

**26. Perimeter of a square**

**27. How do you find the midpoint?**

**28. Rough est. of v2 =**

**29. Sector**

**30. What is the average?**

**31. Area of a sector**

**32. Rough est. of v3 =**

**33. What is the area of a triangle?**

**34. What is a '30:60:90' triangle?**

**35. What do combination problems usually ask for?**

**36. What is the surface area of a cylinder?**

**37. a - b is equal to**

**38. Point-Slope form**

**39. What is the factored version of (x+y)(x-y) ?**

**40. Surface Area of Cylinder**

**41. Perimeter (circumference) of a circle**

**42. How do you find the sum of a geometric sequence?**

**43. What number goes on the bottom of a probability fraction?**

**44. For a bell curve - what three terms might be used to describe the number in the middle?**

**45. Explain the difference between a digit and a number.**

**46. What is the 'distributive law'?**

**47. What is the prime factorization of 200?**

**48. Volume of Cylinder**

**49. Circumference of a circle**

**50. What is the formula for the diagonal of any square?**