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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. Any integer is divisible by 6 if
implies
inverse of a relation
it is also divisible by 2 and 3
a relation is a function

2. x/100
x percent
quadratic equations
x + y
hexagon

3. ?
-y
xy
opposite the greatest side
perpendicular

4. C times as old as john

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5. What % of m is n
one solution
perpendicular
x percent
(x/100)m= n

6. A°
x²+ 2xy+y²
n= mx/100
1
the sum of its digits is divisible by 3

7. A¹
a
approx square roots
reflex angle
the perpendicular distance

8. 7-24-25
no solutions
belongs to
rectangular solid
right triangle

9. Between 90° and 180°
polygon
vertical angles
obtuse angle
right triangle

10. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a
equal to the slope of the other
quadratic equations
standard deviation
tangent

11. Then their intersection is the null or empty set - written as Ø
if two sets have no elements in common
y-x
properties of a square
equilateral triangle

12. One angle is equal 90° and the other two angles are equal to the sum of 90°
similar triangles
right triangle
a+b+d=c+d
implies

13. Area= s² perimeter= 4s
the perpendicular distance
square
odd
w>0 and x>y

14. Any arc length is less than
360 degrees
right triangle
xy-xz
parallel

15. The sume of x and y
any variable
1.4
slope of a line joining two points
x + y

16. Parallel and never intersect - they have no solution at all - they are parallel with the same slope
right triangle
inconsistent lines
equal angles
coinciding lines

17. ?
1/2
inscribed angle
distributive axiom
implies

18. When the elements of a set are ordered pairs
straight angle
the sum of parts
relation
two solutions

19. Integer is divisible by 2
vertical angles
if the last digit of the number is 0 -2 -4 -6 -8
all acute angles are equal and all obtuse angles are equal
right triangle

20. N is what % of m
1
n= mx/100
all acute angles are equal and all obtuse angles are equal
1.7

21. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases
cylinder
x²-2xy+y²
x-y
or

22. B²-4ac = 0 there is
x>y
radius
one solution
equal

23. ?
angle
right triangle
1 - 3 - 5 - 7 - 9
the sum of its digits is divisible by 9

24. Sin 60°
odd
distributive axiom
the percent of decrease
v3/2 or .87

25. Are the lines drawn from each vertex to the midpoint of its opposite side. they cross at a point that divides each individual ______into two parts.
right triangle
acute angle
slope of a line joining two points
medians of a triangle

26. The product of an even number of negative numbers is
domain of a relation
positive
the sum of its digits is divisible by 3
coinciding lines

27. Side a +side b of a ? is
x<0
greater than c
obtuse angle
no solutions

28. Wx>wy
similar triangles
no solutions
vertical angles
w>0 and x>y

29. If y²= x - then y =
perpendicular
±vx
medians of a triangle
straight angle

30. Sin 45°
parallel
the last three numbers are divisible by 8
v2/2 or .71
xy-xz

31. 9-40-41
right angle
one solution
xy
right triangle

32. Angle whose sides are two radii of the circle. The vertex of this angle is the center of the circle. The number of degrees is equal to the amount of arc length that the radd intercept.
times
angle
central angle
the last three numbers are divisible by 8

33. ?
altitude of a triangle
and
hemisphere
1.7

34. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
diameter of circle
semicircle
vertical angles
diagonal of a square

35. In transversals
odd
inconsistent lines
set
all acute angles are equal and all obtuse angles are equal

36. The product of an odd number of negative numbers is
diagonal of a square
the percent of increase
negative
3.16

37. M= y2-y1/x2-x1
equal to the slope of the other
slope of a line joining two points
perpendicular bisectors
x is greater than y

38. Every set is a subset of
right triangle
itself
sphere
properties of a rectangle

39. (amount of increase/original amount) x 100
x-y
the percent of increase
one solution
equal to the sum of the measures of the remote exterior angles

40. 1/2bh
right triangle
area of a triangle
even
right triangle

41. x + y
x - y
x and y
obtuse angle
domain of a relation

42. The decrease from x to y
x-y
the perpendicular distance
even
consistent lines

43. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB
properties of a square
find the intersection of two sets
finding the union of sets
trapezoid

44. 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.
positive
perpendicular bisectors
right triangle
altitude of a triangle

45. The whole equals
if two sets have no elements in common
the sum of parts
22/7 or 3.14
polygon

46. xw> yz
360 degrees
the sum of its digits is divisible by 9
x>y>0 and w>z>0
x - y

47. Sin 30°
x + y
1/2
slope of a line joining two points
equal to the slope of the other

48. Area= 1/2bh perimeter= a+b+c
triangle
xy + xz
approx square roots
a side< b side

49. 1. solve the equation or inequality 2. use ONLY the solutions which satisfy the condition required - the set of all x such that x is greater than or equal to 10 R= {x: x=10}
when finding a solution set
slope of a line joining two points
right triangle
1.7

50. x younger than y
x - y
n percent less than x
positive
equilateral triangle