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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. Diagonal= sv2
even
find the intersection of two sets
diagonal of a square
x>y and y>z

2. The quotient of any quantity (except 0) divided by zero is infinity
the sum of parts
find the intersection of two sets
the last two digits of the number make a number that is divisible by 4
never divide by zero

3. If y²= x - then y =
commutative axiom of addition and multiplication
reflex angle
1
±vx

4. Diagonals divide into 6 equilateral triangles - the sides are equal to the sides of the ________. if inscribed in a circle - the length of each side is equal to the length of the radius of the circle.
cube
hexagon
w>0 and x>y
right triangle

5. x(y+z)
percent
x is less than y
radius
xy + xz

6. A°
a set
1
1.7
v(x2-x1)²+ (y2-y1)²

7. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB
find the intersection of two sets
equilateral triangle
triangle
a side< b side

8. C times as old as john

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9. Is the set of the second components of the ordered pairs
range of a relation
v(x2-x1)²+ (y2-y1)²
circle
right triangle

10. Is always a right angle.
vertical angles
tangent
a?n
angle inscribed in semicircle

11. Ax= by + C
n= mx/100
simultaneous equations in 2 unknowns
even
consistent lines

12. The difference between x and y
x - y
solution set
perpendicular
x and y

13. The sume of x and y
xy< 0
probability
x + y
cube

14. A closed plane whose sides are straight lines. The sum of the angles is equal to 180(n-2) - where n is the number of sides.
simultaneous equations in 2 unknowns
polygon
finding the union of sets
diameter of circle

15. x(y-z)
xy-xz
x>y>0 and w>z>0
all acute angles are equal and all obtuse angles are equal
x - y

16. The percent increase from x to y (y>x)
rectangle
1.7
(y-x/x)100
n= mx/100

17. The percent decrease from x to y ( y<x)
x percent
x<0
solution set
(x-y/x)100

18. 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
right triangle
n percent less than x
probability
finding the union of sets

19. Intersect at only one point - the point is the only solution to the pair of equations
reflex angle
consistent lines
1 - 3 - 5 - 7 - 9
right triangle

20. x>0 and y>0 or x<0 and y<0
associative axiom of addition and multiplication
if two sets have no elements in common
xy>0
trapezoid

21. (x+y) (x-y)
x²-y²
n percent greater than x
right triangle
v2/2 or .71

22. 360°
y angle< x angle
approx products
±vx
circle

23. 1/x + 1/y x -y ? 0
the last digit is 0
x+y/xy
two solutions
radius of a circle

24. If b²-4ac > 0 there are
set
180 degrees
(x-y/x)100
two solutions

25. xw> yz
x>y and y>z
rectangle
negative
x>y>0 and w>z>0

26. x more than y
x + y
all acute angles are equal and all obtuse angles are equal
circle
opposite the greatest side

27. Any integer is divisible by 3 - if
expression of an even number
sphere
the sum of its digits is divisible by 3
itself

28. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)
xy
set
commutative axiom of addition and multiplication
expression of an even number

29. 3-4-5
right triangle
x + y
perpendicular bisectors
parallelogram

30. ?
angle a and angle b = angle d
right triangle
negative reciprocal of the other
belongs to

31. 1-v3- 2 (90-30-60)
x²-2xy+y²
right triangle
w<0 and x>y
approx square roots

32. (amount of increase/original amount) x 100
the sum of its digits is divisible by 3
diameter
set
the percent of increase

33. 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.
22/7 or 3.14
perpendicular
tangent
medians of a triangle

34. 1/2bh
domain of a relation
y-x
tangent
area of a triangle

35. 1.each pair of opposite sides are equal 2. the diagonals bisect eachother 3. the opposite angles are equal 4. one diagonal divides it into two congruent triangles and two diagonals divides it into two pairs of congruent triangles
any variable
slope of a line joining two points
properties of parallelograms
associative axiom of addition and multiplication

36. Sin 45°
equals
equilateral triangle
v2/2 or .71
a

37. 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.
a relation is a function
x-y
central angle
approx square roots

38. Any integer is divisible by 10 - if
v2/2 or .71
the last digit is 0
w>0 and x>y
the sum of its digits is divisible by 9

39. Product of an even number and any other number is
1 - 3 - 5 - 7 - 9
even
set
a+b+d=c+d

40. A¹
xy-xz
triangle or straight line
a
right angle

41. 2k
right triangle
the perpendicular distance
expression of an even number
associative axiom of addition and multiplication

42. Angle whose sides are two chords. The vertex of the angles lies on the circumference of the circle. The number of degrees of the angle is equal to 1/2 the intercepted arc
a+b+d=c+d
equilateral triangle
the last two digits of the number make a number that is divisible by 4
inscribed angle

43. Area= l x w perimeter = (2l)(2w)
area of a triangle
rectangle
inscribed angle
midpoint of a line segment joining 2 parts

44. ?
parallel
angle a and angle b = angle d
perpendicular
angle

45. 3(4+1)= 3 x 4 + 3 x 1
distributive axiom
x>y and y>z
b is the y-intercept
approx sums

46. M= y2-y1/x2-x1
0 - 2 - 4 - 6 - 8
equal to the slope of the other
slope of a line joining two points
x²-y²

47. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a
rectangular solid
relation
quadratic equations
radius

48. (x+y)(x+y)= (x+y)²
right triangle
the sum of parts
x²+ 2xy+y²
inscribed angle

49. Which - what
inconsistent lines
any variable
quadratic equations
diameter

50. If the base angles of a triangle are equal - the triangle is
xy-xz
it is also divisible by 2 and 3
itself
isosceles