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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. x(y+z)
odd
right triangle
if the last digit of the number is 0 -2 -4 -6 -8
xy + xz

2. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a
quadratic equations
when finding a solution set
xy< 0
set

3. If an equation can be put into the form y= mx +b - then
b is the y-intercept
expression of an even number
determining if a number is prime
x + y

4. C times as old as john

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5. Wx>wy
all acute angles are equal and all obtuse angles are equal
w>0 and x>y
belongs to
x and y

6. (amount of increase/original amount) x 100
the sum of its digits is divisible by 9
equilateral triangle
equilateral triangle
the percent of increase

7. ?
straight angle
and
reflex angle
cylinder

8. x>0 and y<0 or x<0 and y >0
xy< 0
n percent less than x
the last digit is 0
circle

9. Is the relation with ALL ordered pairs REVERSED.
equilateral triangle
inverse of a relation
the last digit is 0
it is also divisible by 2 and 3

10. All even numbers end in the digits of
0 - 2 - 4 - 6 - 8
cube
no solutions
two solutions

11. One angle is equal 90° and the other two angles are equal to the sum of 90°
two solutions
x - y
right triangle
consistent lines

12. 2k
if two sets have no elements in common
expression of an even number
any variable
-y

13. y years from now
approx square roots
+y
inscribed angle
parallelogram

14. Product of two odd numbers is
x+y/xy
semicircle
a?n
odd

15. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
approx sums
x<0
right triangle
the percent of increase

16. If two lines are parallel - the slope of one is
x + y
the third side
b+d>c+e
equal to the slope of the other

17. The case where the two equations are equivalent (just two different forms of the same mathematical relation). Any point that satisfies either of the equations - automatically satisfies both
implies
coinciding lines
even
±vx

18. A°
solution set
right triangle
1
vertical angles

19. Area= 1/2bh perimeter= a+b+c
diameter
hexagon
triangle
angle

20. All sides are equal and all of whose angles are equal. 1. can be inscribed in a circle and can be circumscribed about another circle. 2. each angle is equal to the sum of the angles divided by the number of sides 180(n-2)°/n.
x is greater than y
parallel
right triangle
regular polygon properties

21. 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
properties of parallelograms
central angle
x²-2xy+y²
even

22. x less than y
y-x
right angle
permutations
v2/2 or .71

23. Is - as - was - has - cost
odd
equals
null set
straight angle

24. M= y2-y1/x2-x1
slope of a line joining two points
right triangle
isosceles triangle
diagonal of a square

25. 5-12-13
x is less than y
inverse of a relation
right triangle
n= mx/100

26. The decrease from x to y
x-y
right triangle
odd
properties of a square

27. The quotient of any quantity (except 0) divided by zero is infinity
1.4
never divide by zero
medians of a triangle
Axioms

28. 5+3= 3+5 and 5 x 3= 3 x 5
altitude of a triangle
if two sets have no elements in common
a+b+d=c+d
commutative axiom of addition and multiplication

29. x/100
parallelogram
xy< 0
polygon
x%

30. 7-24-25
supplementary angles
right triangle
right angle
finding the union of sets

31. (x+y) (x-y)
(x-y/x)100
x²-y²
properties of a square
expression of an odd number

32. Less than 90°
acute angle
even
find the intersection of two sets
x intercept

33. 1-v3- 2 (90-30-60)
any variable
area of a triangle
equal to the slope of the other
right triangle

34. If b²-4ac < 0 - there are
triangle
no solutions
similar triangles
Axioms

35. Is a subset of every set
polygon
v2/2 or .71
even
null set

36. x>z
equal angles
right triangle
x>y and y>z
set

37. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
x + y
y-x
semicircle
or

38. ? if a side < b side - then
a side< b side
x>y and w>z
y angle< x angle
equal to the sum of the measures of the remote exterior angles

39. Any arc length is less than
360 degrees
cube
properties of a square
x+y/xy

40. Sin 30°
1/2
isosceles triangle
b is the y-intercept
inverse of a relation

41. Any integer is divisible by 4 - if
supplementary angles
equal to the sum of the measures of the remote exterior angles
the last two digits of the number make a number that is divisible by 4
equals

42. All angles are right angles and diagonals are equal 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
v2/2 or .71
properties of a square
n percent less than x
properties of a rectangle

43. A subset of a set is
a set
b is the y-intercept
perpendicular
negative

44. ?
never divide by zero
x percent
22/7 or 3.14
Axioms

45. (sum of individual quantities or measures/ total number of quantities or measures)
midpoint of a line segment joining 2 parts
properties of a square
average
standard deviation

46. The point where the line crosses the x-axis - y will always = 0 in this case
x - y
y-x
x intercept
b+d>c+e

47. 1/x + 1/y x -y ? 0
n percent greater than x
x²-y²
x+y/xy
0 - 2 - 4 - 6 - 8

48. (amount of decrease/original amount) x 100
or
the percent of decrease
permutations
equilateral triangle

49. V2/2- v2/2 - 1 (90-45-45)
isosceles triangle
x>y
x<0
±vx

50. Sum of two odd numbers is
even
implies
x is less than y
x - y