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GRE Math: Common Errors

Subjects : gre, math
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. Describe the relationship between 3x^2 and 3(x - 1)^2






2. What are congruent triangles?






3. What is a minor arc?

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4. What are the rational numbers?






5. 5x^2 - 35x -55 = 0






6. A cylinder has surface area 22pi. If the cylinder has a height of 10 - what is its radius?






7. What is the intersection of A and B?






8. (-1)^3 =






9. 10<all primes<20






10. What is the ratio of the sides of a 30-60-90 triangle?






11. If an inequality is multiplied or divided by a negative number....






12. How to determine percent increase?






13. What does the graph (x+2)^2 + (y+2)^2 = 9 look like?






14. a^2 - b^2






15. Define an 'expression'.






16. When the 'a' in the parabola is negative...






17. 1:1:sqrt2 is the ratio of the sides of what kind of triangle?






18. What is a tangent?






19. 5/8 in percent?






20. Describe the relationship between the graphs of x^2 and (1/2)x^2






21. Simplify the expression (p^2 - q^2)/ -5(q - p)






22. The slope of a line perpendicular to (a/b)?






23. Ratio of ages of Anna and Emma is 3:5 and of Emma and Nicolas is 3:5. What is the ratio of Anna to Nicholas' ages?






24. What is the graph of f(x) shifted upward c units or spaces?






25. A number is divisible by 6 if...






26. What is the slope of a vertical line?

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27. When does a function automatically have a restricted domain (2)?






28. What does scientific notation mean?






29. The objects in a set are called two names:






30. T or F? Given d -e &f =/ 0 - [(d^3)e(f^5)] / 2d(e^3) / [3(d^2)(e^3)(f^7)] / [6(e^5)(f^2)]?






31. Evaluate 4/11 + 11/12






32. 200 <_ x <_ 300. How many values of x are divisible by 5 & 8?






33. Length of an arc of a circle?






34. Simplify 9^(1/2) X 4^3 X 2^(-6)?






35. Formula to find a circle'S circumference from its diameter?






36. Circumference of a circle?






37. a^2 - 2ab + b^2






38. 70 < all primes< 80






39. What is the set of elements found in both A and B?






40. Which quadrant is the upper right hand?






41. Can the input value of a function have more than one output value (i.e. x: y - y1)?






42. Legs: 3 - 4. Hypotenuse?






43. What are the irrational numbers?

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44. What is the ratio of the surface area of a cube with an edge of 10 to the surface area of a rectangular solid with dimensions 2 - 4 - and 6?






45. How many sides does a hexagon have?






46. What is an arc of a circle?






47. What are the members or elements of a set?






48. What is the percent formula?






49. What is the measure of an exterior angle of a regular pentagon?






50. The ratio of the areas of two similar polygons is ...