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GRE Math: Common Errors
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GRE Math: Common Errors
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25 Questions

1. 4.809 X 10^7 =

2. Evaluate and write as a mixed number: 2/7 - 3/21 + 2 & 4/14

3. A triangle is inscribed in a semi circle with legs 5 and 12. What is the circumfermence of the semicircle?

4. Employee X is paid 19.50 per hour no matter how many a week. Employee Y earns 18 for the first 40 and 1.5 the hourly wage for every hour after that. If both earned the same amount and worked the same in one week - how many did each work?

5. Volume for a cylinder?

6. In a triangle inscribed inside a circle - where the diameter is one side of the triangle - which angle is largest?

7. (6sqrt3) x (2sqrt5) =

8. Factor x^2 - xy + x.

9. What is the maximum value for the function g(x) = (-2x^2) -1?

10. There are 10 finalists for the school spelling bee. A first - second - and third place trophy will be awarded. How many different people can get the three prizes?

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

12. 413.03 x 10^(-4) =

13. Can the output value of a function have more than one input value?

14. 7/8 in percent?

15. In similar hexagons - the ratio of the areas is 16:25. What is the ratio of their corresponding sides?

16. What is the area of a regular hexagon with side 6?

17. 40 < all primes<50

18. The four angles around a point measure y - 2y - 35 and 55 respectively. What is the value of y?

19. sqrt 2(sqrt 6)=

20. What is a central angle?

21. A number is divisible by 3 if ...

22. What is the formula for computing simple interest?

23. What is an isoceles triangle?

24. 25^(1/2) or sqrt. 25 =

25. Evaluate 4/11 + 11/12

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