## Test your basic knowledge |

# GRE Math: Facts

**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. What is special formula for the area of an equilateral triangle?**

**2. What is true about the slopes of perpendicular lines?**

**3. What is the sum of the measures of the n angles of a polygon with n sides?**

**4. How you convert a fraction or a decimal to a percent?**

**5. What is true about the slopes of parallel lines?**

**6. How do you find the length of an arc of a circle?**

**7. What is the volume of a cube?**

**8. What is the probability of an event that cannot occur? That must occur?**

**9. What is a proportion?**

**10. What are the important properties of 30-60-90 triangle?**

**11. What is true about the measures of the four angles formed by two intersecting lines?**

**12. How do you find the area of a sector of a circle?**

**13. How do you find the x-intercept of a graph?**

**14. What is an integer?**

**15. What is the relationship between the graph of f(x) the graph of y = f(x + 2)?**

**16. If the product of two or more numbers is 0 - what do you know about the numbers?**

**17. What is a function?**

**18. In a circle of radius r - what is the formula for the circumference?**

**19. What is the triangle inequality?**

**20. What is the graph of a function?**

**21. Properties of zero 5**

**22. Properties of zero 3**

**23. Law of exponents 4**

**24. What is the formula for the area of a parallelogram?**

**25. When a pair of parallel lines is intersected by a third line - what is true about the eight angles that are formed?**

**26. How do you convert a percent to a fraction or a decimal?**

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

**28. What is true about the areas of similar triangles?**

**29. What is the ratio of similitude?**

**30. What is a negative exponent?**

**31. What is the Pythagorean theorem?**

**32. What does it mean if y is directly proportional to x?**

**33. What is the relationship between a radius of a circle and a line that is tangent to the circle?**

**34. What is the relationship between the graph of f(x) the graph of y = f(x - 2)?**

**35. What is an exterior angle of a polygon?**

**36. How do you find a percent of a number?**

**37. In a circle of radius r - what is the formula for the diameter?**

**38. Properties of zero 4**

**39. What is a prime number?**

**40. What important property do similar triangles have?**

**41. For what values of a function is the function undefined?**

**42. What is a divisor and a factor of an integer?**

**43. What is the distributive law?**

**44. What are the important properties of a 45-45 - 90 triangle?**

**45. What is the formula for the volume of a rectangular solid?**

**46. What is a percent?**

**47. What is a multiple of an integer?**

**48. What formula is used for an average?**

**49. What is the relationship between the graph of f(x) the graph of y = f(x) - 2?**

**50. What is the relationship between the lengths of the sides of a triangle and the measures of the angles of the triangle?**