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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. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication
x>y
right triangle
simultaneous equations in 2 unknowns
Axioms

2. A+b=c+ d=d
all acute angles are equal and all obtuse angles are equal
a+b+d=c+d
x percent
a side< b side

3. If the each element of the domain occurs only once as a FIRST component
central angle
a relation is a function
the last three numbers are divisible by 8
w<0 and x>y

4. 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
angle bisector
y intercept
semicircle
properties of parallelograms

5. 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*)
isosceles triangle
closed set
x>y
the last two digits of the number make a number that is divisible by 4

6. (x+y)(x+y)= (x+y)²
polygon
similar triangles
set
x²+ 2xy+y²

7. z>y
the last three numbers are divisible by 8
x<0 and z=x+y
x - y
never divide by zero

8. 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.
x-y/xy
the percent of increase
regular polygon properties
polygon

9. In transversals
acute angle
±vx
all acute angles are equal and all obtuse angles are equal
a set

10. x younger than y
x + y
standard deviation
x - y
angle

11. x more than y
1/2
x + y
relation
simultaneous equations

12. Less than 90°
never divide by zero
the percent of increase
rectangular solid
acute angle

13. ?
central angle
or
equilateral triangle
right triangle

14. The quotient of any quantity (except 0) divided by zero is infinity
set
xy>0
tangent
never divide by zero

15. x/100
never divide by zero
x%
x percent
consistent lines

16. x < y or y> x
isosceles triangle
1.4
x²-2xy+y²
x is less than y

17. One angle is equal 90° and the other two angles are equal to the sum of 90°
n percent greater than x
simultaneous equations
equal
right triangle

18. The percent increase from x to y (y>x)
(y-x/x)100
midpoint of a line segment joining 2 parts
x is less than y
solution set

19. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
obtuse angle
or
all acute angles are equal and all obtuse angles are equal
hemisphere

20. Diagonals are perpendicular to each other and bisect the vertex angles 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 diagonal
cylinder
if the last digit of the number is 0 -2 -4 -6 -8
properties of a rhombus
the sum of its digits is divisible by 9

21. Any line that connects two points on a circle.
equilateral triangle
rectangle
n percent greater than x
chord

22. The product of an even number of negative numbers is
slope of a line joining two points
right angle
positive
medians of a triangle

23. Is always a right angle.
semicircle
straight angle
angle inscribed in semicircle
simultaneous equations

24. ?
b+d>c+e
x - y
is a subset of
0 - 2 - 4 - 6 - 8

25. The point where the line crosses the x-axis - y will always = 0 in this case
x intercept
permutations
average
perpendicular bisectors

26. Parallel and never intersect - they have no solution at all - they are parallel with the same slope
x>y and w>z
inconsistent lines
quadratic equations
simultaneous equations

27. N is what % of m
right triangle
circle
n= mx/100
combinations

28. /100 (the ______ number over 100)
even
set
percent
isosceles triangle

29. The angles opposite to sides that are equal in length have
similar triangles
equal angles
3.16
regular polygon properties

30. Product of two odd numbers is
equilateral triangle
obtuse angle
percent
odd

31. If the base angles of a triangle are equal - the triangle is
equal
cube
isosceles
a relation is a function

32. ?
the last digit is 0
straight angle
the percent of decrease
belongs to

33. If b²-4ac < 0 - there are
times
always positive or zero
x - y
no solutions

34. What % of m is n
properties of a rhombus
(x/100)m= n
odd
right triangle

35. x less than y
a side< b side
x + y
y-x
no solutions

36. Area= 1/2bh perimeter= a+b+c
+y
average
x>y>0 and w>z>0
triangle

37. Have two equal sides and two equal angles formed by the equal sides and the unequal side.
hemisphere
properties of a square
equilateral triangle
isosceles triangle

38. Is the relation with ALL ordered pairs REVERSED.
inverse of a relation
determining if a number is prime
+y
n percent greater than x

39. When two parallel lines are crossed by a third straight line (transversal) - then
polygon
all acute angles are equal and all obtuse angles are equal
any variable
rectangle

40. 1. round the numbers being multiplied to one more place than it is being asked. 2. Multiply the rounded off numbers 3. round of product to desired number of places
when finding a solution set
triangle
right triangle
approx products

41. x older than y
equals
central angle
x + y
square

42. x - (n/100)x
n percent less than x
itself
Axioms
altitude of a triangle

43. Then their intersection is the null or empty set - written as Ø
perpendicular bisectors
even
if two sets have no elements in common
vertical angles

44. x/100
solution set
x%
simultaneous equations in 2 unknowns
a?n

45. A¹
a
1
even
the sum of parts

46. ?
a side< b side
perpendicular
right triangle
never divide by zero

47. | |
midpoint of a line segment joining 2 parts
right triangle
always positive or zero
parallel

48. Sum of two odd numbers is
even
average
y-x
-y

49. (amount of decrease/original amount) x 100
average
parallel
22/7 or 3.14
the percent of decrease

50. Product of an even number and any other number is
a+b+d=c+d
even
set
x>y and y>z