Test your basic knowledge |

GRE Math Strategies

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. x>0 and y>0 or x<0 and y<0
xy>0
right triangle
approx products
3.16

2. x(y+z)
the sum of its digits is divisible by 3
circle
xy + xz
right triangle

3. 1. round each number being added to one more place than it is being asked. 2. add the rounded numbers. 3. round off the sum to the desired number of places
the percent of increase
x + y
approx sums
right triangle

4. B²-4ac = 0 there is
a
x - y
even
one solution

5. | |
cylinder
parallel
area of a triangle
x - y

6. Set of solutions to an equation
then side b > side a
the last three numbers are divisible by 8
negative
solution set

7. If an equation can be put into the form y= mx +b - then
expression of an even number
hexagon
when finding a solution set
b is the y-intercept

8. The sum of any two sides of a triangle is greater than
straight angle
expression of an even number
the third side
x-y

9. x +z > y+z
equal to the sum of the measures of the remote exterior angles
x>y
equilateral triangle
approx sums

10. 360°
circle
a+b+d=c+d
acute angle
x percent

11. ?
x-y
implies
right triangle
diameter

12. Any integer is divisible by 10 - if
the last digit is 0
parallel
a relation is a function
supplementary angles

13. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
tangent
inverse of a relation
right triangle
diagonal of a square

14. x(y-z)
xy-xz
chord
x is greater than y
perpendicular bisectors

15. The difference between x and y
the percent of increase
x - y
x + y
radius

16. Write down every member in one or both of the sets - the union of two sets is a new set. the union of set A and B is written as A?B
xy
x + y
finding the union of sets
circle

17. Area= 1/2bh perimeter= a+b+c
xy
commutative axiom of addition and multiplication
triangle
a

18. When the elements of a set are ordered pairs
right triangle
relation
n percent greater than x
equal to the slope of the other

19. Area = ?r² circumference(perimeter)= 2?r
x<0
range of a relation
circle
approx sums

20. ?
the sum of its digits is divisible by 3
22/7 or 3.14
x percent
right triangle

21. x younger than y
equal to the sum of the measures of the remote exterior angles
perpendicular bisectors
x - y
x>y and w>z

22. Sum of two odd numbers is
x - y
x<0
x + y
even

23. The percent decrease from x to y ( y<x)
x percent
odd
parallelogram
(x-y/x)100

24. z>y
commutative axiom of addition and multiplication
consistent lines
expression of an even number
x<0 and z=x+y

25. If under the operation - any two members of the set constitute an element of the set ( * the product of the elements multiplied by themselves must also be an element of the set*)
it is also divisible by 2 and 3
circle
itself
closed set

26. 1/2bh
c x (john'S age)
range of a relation
area of a triangle
x is less than y

27. Angles that equal 180 degrees
supplementary angles
parallelogram
properties of a rectangle
x>y and w>z

28. Any integer is divisible by 9 - if
x<0 and z=x+y
diameter
cylinder
the sum of its digits is divisible by 9

29. R²
rectangular solid
diameter of circle
the sum of parts
pythagorean theorem

30. The distance between two parallel lines or from a point to a line always means
the perpendicular distance
consistent lines
the last digit is either 0 or 5
y intercept

31. x older than y
x + y
isosceles triangle
itself
x<0

32. x more than y
opposite the greatest side
x + y
right triangle
equal to the sum of the measures of the remote exterior angles

33. The point where the line crosses the x-axis - y will always = 0 in this case
polygon
x intercept
distributive axiom
xy + xz

34. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3
equilateral triangle
itself
c x (john'S age)
1.4

35. y years ago
x percent
circle
negative reciprocal of the other
-y

36. Product of two odd numbers is
diameter
odd
circle
inverse of a relation

37. Are the lines that bisect and are perpendicular to each of the three sides. The point where they meet is the center of the circumscribed circle.
properties of a square
perpendicular bisectors
perpendicular
right triangle

38. Between 90° and 180°
a<x<b
x²+ 2xy+y²
(x/100)m= n
obtuse angle

39. A¹
is a subset of
central angle
v3/2 or .87
a

40. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)
x-y
the sum of its digits is divisible by 9
set
n percent greater than x

41. The distance from the center of the circle
perpendicular
(x-y/x)100
radius
square

42. In transversals
two solutions
right triangle
all acute angles are equal and all obtuse angles are equal
v2/2 or .71

43. 1/x + 1/y x -y ? 0
percent
simultaneous equations
x+y/xy
odd

44. Any integer is divisible by 8 if
tangent
the last three numbers are divisible by 8
isosceles triangle
times

45. (x1+ x2/2) - (y1+y2/2) Each coordinate of the midpoint is equal to the average of the corresponding cordinates of the endpoints
polygon
sphere
xy + xz
midpoint of a line segment joining 2 parts

46. Sin 30°
the third side
x+y/xy
if two sets have no elements in common
1/2

47. 2k + 1
the sum of its digits is divisible by 3
cube
polygon
expression of an odd number

48. In a triangle - the greatest angles lies
implies
commutative axiom of addition and multiplication
the third side
opposite the greatest side

49. If two lines are parallel - the slope of one is
properties of a rectangle
equal to the slope of the other
percent
right triangle

50. One angle is equal 90° and the other two angles are equal to the sum of 90°
right triangle
simultaneous equations
x+y/xy
equal to the slope of the other