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GRE Math Strategies

Subjects : gre, math

Instructions:

Answer 50 questions in 15 minutes.
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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. Sin 45°
v2/2 or .71
a set
the last digit is either 0 or 5
circle

2. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
equal
right triangle
a relation is a function
finding the union of sets

3. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d
trapezoid
angle
equal to the slope of the other
right triangle

4. Any arc length is less than
equal to the slope of the other
360 degrees
similar triangles
cube

5. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
is a subset of
find the intersection of two sets
triangle or straight line
semicircle

6. x + (n/100)x
equal angles
n percent greater than x
the percent of increase
is a subset of

7. Wx>wy
w>0 and x>y
(x/100)m= n
y intercept
properties of a square

8. Volume=lwh surface area= 2wh + 2hl + 2lw
inscribed angle
rectangular solid
isosceles triangle
approx sums

9. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)
x+y/xy
v(x2-x1)²+ (y2-y1)²
right triangle
commutative axiom of addition and multiplication

10. x/100
(y-x/x)100
±vx
x%
the last digit is 0

11. 5+3= 3+5 and 5 x 3= 3 x 5
xy< 0
commutative axiom of addition and multiplication
equal
xy>0

12. (x-y)(x-y) = (x-y)²
x>y
x²-2xy+y²
solution set
angle

13. (amount of decrease/original amount) x 100
the percent of decrease
y-x
finding the union of sets
permutations

14. Is the set of the second components of the ordered pairs
square
range of a relation
right triangle
triangle or straight line

15. Of
x²+ 2xy+y²
times
the last two digits of the number make a number that is divisible by 4
triangle or straight line

16. ? if a side < b side - then
supplementary angles
sphere
y angle< x angle
1/2

17. 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
+y
properties of a rectangle
determining if a number is prime
a?n

18. 1. square all choices given 2. select the closes choice that is too large and the one that is too small. 3. find the average of the two choices (not of the squares) 4. square the average - if it is greater than the original number - choose the lower
right triangle
approx square roots
22/7 or 3.14
-y

19. Side a +side b of a ? is
greater than c
vertical angles
or
1 - 3 - 5 - 7 - 9

20. In a triangle - if ?c(interior angle in triangle) and ?d(exterior angle out of triangle) are supplmentary angles - than ?a and ?b are remote interior angles to <d - thus - a +b+c = 180 (triangle) c+d = 180 (supplementary angles)
angle a and angle b = angle d
probability
x>y
the third side

21. Volume= e(edge)³ surface area= 6e²
y-x
similar triangles
cube
xy + xz

22. x(y+z)
n percent greater than x
radius of a circle
x²-2xy+y²
xy + xz

23. Area = ?r² circumference(perimeter)= 2?r
closed set
when finding a solution set
regular polygon properties
circle

24. 5-12-13
(x-y/x)100
x<0
approx sums
right triangle

25. x older than y
1.7
x + y
semicircle
solution set

26. The product of x and y
angle a and angle b = angle d
parallelogram
permutations
xy

27. The distance from the center of the circle
radius
inverse of a relation
one solution
right triangle

28. 1/x + 1/y x -y ? 0
x+y/xy
xy
quadratic equations
find the intersection of two sets

29. R²
quadratic equations
x - y
if the last digit of the number is 0 -2 -4 -6 -8
diameter of circle

30. The decrease from x to y
x-y
positive
angle inscribed in semicircle
radius

31. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a
Axioms
quadratic equations
all acute angles are equal and all obtuse angles are equal
y-x

32. The sume of x and y
regular polygon properties
x + y
isosceles triangle
the sum of its digits is divisible by 3

33. A+b=c+ d=d
trapezoid
y-x
average
a+b+d=c+d

34. Sin 30°
xy-xz
tangent
the perpendicular distance
1/2

35. x + y
equilateral triangle
closed set
equal angles
x and y

36. Ax= by + C
simultaneous equations in 2 unknowns
v3/2 or .87
polygon
equal

37. A°
distributive axiom
1
equilateral triangle
x>y

38. Any line that connects two points on a circle.
circle
x and y
chord
a<x<b

39. Any number squared or raised to an even power is
always positive or zero
chord
y angle< x angle
equals

40. (x+y) (x-y)
n= mx/100
x percent
regular polygon properties
x²-y²

41. Integer is divisible by 2
one solution
x>y
diameter
if the last digit of the number is 0 -2 -4 -6 -8

42. Any integer is divisible by 8 if
the last three numbers are divisible by 8
y-x
approx square roots
similar triangles

43. Less than 90°
acute angle
v3/2 or .87
c x (john'S age)
a side< b side

44. Is always a right angle.
angle inscribed in semicircle
x%
inverse of a relation
all acute angles are equal and all obtuse angles are equal

45. Every set is a subset of
finding the union of sets
straight angle
3.16
itself

46. C times as old as john

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47. M?A = m?D m?B= m?E m?C=m?F and a/d=b/e=c/f
parallel
xy
similar triangles
straight angle

48. Between 180° and 360°
commutative axiom of addition and multiplication
reflex angle
one solution
approx square roots

49. Two tangents to a circle from the same point outside of the circle are always
equal
x>y>0 and w>z>0
a
+y

50. Any integer is divisible by 5 if
x - y
equal to the sum of the measures of the remote exterior angles
the last digit is either 0 or 5
slope of a line joining two points

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GRE Math Strategies

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