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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 number squared or raised to an even power is
the last digit is either 0 or 5
pythagorean theorem
c x (john'S age)
always positive or zero

2. If two lines are perpendicular - the slope of one is the
negative reciprocal of the other
properties of parallelograms
reflex angle
commutative axiom of addition and multiplication

3. ?
xy< 0
area of a triangle
belongs to
right triangle

4. Side a +side b of a ? is
1/2
x>y
greater than c
1.4

5. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3
the last digit is 0
x²-2xy+y²
(x-y/x)100
equilateral triangle

6. 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.
triangle or straight line
never divide by zero
circle
medians of a triangle

7. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)
the sum of its digits is divisible by 9
any variable
v(x2-x1)²+ (y2-y1)²
all acute angles are equal and all obtuse angles are equal

8. x>z
cube
even
x>y and y>z
the sum of parts

9. x>0 and y<0 or x<0 and y >0
x and y
commutative axiom of addition and multiplication
x>y and w>z
xy< 0

10. Which - what
any variable
circle
or
acute angle

11. Diagonal= sv2
diagonal of a square
odd
the sum of its digits is divisible by 3
tangent

12. C²= a²+b² and angle x and y are equal to 90°
relation
equilateral triangle
range of a relation
right triangle

13. x younger than y
odd
properties of a rectangle
xy< 0
x - y

14. 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.
standard deviation
equal to the slope of the other
determining if a number is prime
regular polygon properties

15. The increase from x to y
±vx
y-x
x>y and y>z
x + y

16. /100 (the ______ number over 100)
percent
a set
pythagorean theorem
vertical angles

17. M= y2-y1/x2-x1
x>y
slope of a line joining two points
a relation is a function
implies

18. A°
the last digit is 0
1
the percent of increase
negative reciprocal of the other

19. If the each element of the domain occurs only once as a FIRST component
two solutions
never divide by zero
a relation is a function
range of a relation

20. Product of two odd numbers is
domain of a relation
area of a triangle
even
odd

21. Is always a right angle.
v3/2 or .87
angle inscribed in semicircle
average
the last two digits of the number make a number that is divisible by 4

22. (x+y)(x+y)= (x+y)²
x>y and w>z
diagonal of a square
1
x²+ 2xy+y²

23. A¹
the percent of decrease
-y
a
a<x<b

24. The point where the line crosses the x-axis - y will always = 0 in this case
x>y
equals
xy< 0
x intercept

25. ?
angle
isosceles triangle
x²+ 2xy+y²
coinciding lines

26. Have two equal sides and two equal angles formed by the equal sides and the unequal side.
isosceles triangle
radius of a circle
equal to the slope of the other
central angle

27. Area = ?r² circumference(perimeter)= 2?r
negative
circle
right triangle
x²-y²

28. N= number of objects (order matters!!!) k= rate at a time nPk= n!/(n-k)! (remember to cancel common numbers)
c x (john'S age)
it is also divisible by 2 and 3
permutations
right triangle

29. V10
right triangle
3.16
x-y/xy
(x/100)m= n

30. Two tangents to a circle from the same point outside of the circle are always
x-y/xy
expression of an odd number
relation
equal

31. 3-4-5
range of a relation
x>y and y>z
medians of a triangle
right triangle

32. ?
the third side
equilateral triangle
x>y
and

33. x < y or y> x
x-y/xy
x is less than y
isosceles
range of a relation

34. Every set is a subset of
a side< b side
itself
even
any variable

35. 1-v3- 2 (90-30-60)
y-x
semicircle
no solutions
right triangle

36. The distance between two parallel lines or from a point to a line always means
the perpendicular distance
hemisphere
commutative axiom of addition and multiplication
odd

37. ?
and
expression of an even number
perpendicular
a<x<b

38. x>0 and y>0 or x<0 and y<0
xy>0
parallelogram
times
(x-y/x)100

39. Between 90° and 180°
a<x<b
obtuse angle
x²+ 2xy+y²
a?n

40. The decrease from x to y
isosceles triangle
x-y
x²+ 2xy+y²
circle

41. The point where the line crosses the y-axis - x will always = 0 in this case
negative
y intercept
polygon
x²-2xy+y²

42. The sume of x and y
cylinder
1 - 3 - 5 - 7 - 9
y-x
x + y

43. Any integer is divisible by 3 - if
greater than c
the sum of its digits is divisible by 3
x is less than y
the third side

44. 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.
right triangle
x is less than y
central angle
inverse of a relation

45. If ?B > ?A - then
then side b > side a
x percent
x-y
negative

46. The distance from the center of the circle
even
percent
radius
right triangle

47. Of
times
even
combinations
x<0

48. 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 third side
approx sums
right triangle
commutative axiom of addition and multiplication

49. x +z > y+z
a+b+d=c+d
x>y
inverse of a relation
-y

50. 9-40-41
x>y and y>z
perpendicular
equilateral triangle
right triangle