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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. The product of an odd number of negative numbers is
right triangle
negative
sphere
trapezoid

2. 1-1-v2 (90-45-45)
right triangle
altitude of a triangle
xy>0
never divide by zero

3. 1/2bh
area of a triangle
x>y>0 and w>z>0
simultaneous equations in 2 unknowns
360 degrees

4. If two lines are perpendicular - the slope of one is the
range of a relation
all acute angles are equal and all obtuse angles are equal
x+y/xy
negative reciprocal of the other

5. A<x and x<b
a<x<b
y-x
central angle
rectangular solid

6. 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
y angle< x angle
properties of a rhombus
a<x<b
equal to the slope of the other

7. The percent decrease from x to y ( y<x)
semicircle
(x-y/x)100
supplementary angles
the square of x

8. B²-4ac = 0 there is
the last digit is either 0 or 5
one solution
determining if a number is prime
supplementary angles

9. When two parallel lines are crossed by a third straight line (transversal) - then
approx square roots
simultaneous equations
x>y
all acute angles are equal and all obtuse angles are equal

10. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)
associative axiom of addition and multiplication
triangle
itself
the perpendicular distance

11. 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.
equals
right triangle
hexagon
belongs to

12. Diagonal= sv2
diagonal of a square
a
a set
angle

13. The point where the line crosses the y-axis - x will always = 0 in this case
b is the y-intercept
negative reciprocal of the other
y intercept
y-x

14. Is - as - was - has - cost
equals
equilateral triangle
acute angle
angle inscribed in semicircle

15. V2/2- v2/2 - 1 (90-45-45)
isosceles triangle
distributive axiom
permutations
polygon

16. ?
acute angle
or
b is the y-intercept
n= mx/100

17. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB
y intercept
find the intersection of two sets
properties of a rhombus
finding the union of sets

18. A¹
a
expression of an odd number
x-y
360 degrees

19. 3-4-5
rectangular solid
xy + xz
a set
right triangle

20. Volume= e(edge)³ surface area= 6e²
cube
360 degrees
determining if a number is prime
a relation is a function

21. The whole equals
the sum of parts
consistent lines
y-x
y-x

22. 1/2d
all acute angles are equal and all obtuse angles are equal
equals
radius of a circle
if the last digit of the number is 0 -2 -4 -6 -8

23. 90°
a?n
right angle
x intercept
x%

24. If ?B > ?A - then
the square of x
then side b > side a
range of a relation
triangle

25. Side a +side b of a ? is
greater than c
angle
b is the y-intercept
v(x2-x1)²+ (y2-y1)²

26. Sum of two odd numbers is
all acute angles are equal and all obtuse angles are equal
properties of parallelograms
even
equilateral triangle

27. 1-v3- 2 (90-30-60)
equal
parallel
equilateral triangle
right triangle

28. xn<0 if n is odd and xn>0 if n is even
xy + xz
x<0
right triangle
all acute angles are equal and all obtuse angles are equal

29. The difference between x and y
isosceles
right triangle
x - y
x-y

30. The measure of an interior angle is
equal to the sum of the measures of the remote exterior angles
x>y and y>z
altitude of a triangle
n percent less than x

31. Sum of an odd and an even number is
the last two digits of the number make a number that is divisible by 4
perpendicular
medians of a triangle
odd

32. All even numbers end in the digits of
0 - 2 - 4 - 6 - 8
x - y
right triangle
similar triangles

33. ?
angle a and angle b = angle d
a
xy
is a subset of

34. 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 angle< x angle
properties of a rectangle
the square of x
approx products

35. The percent increase from x to y (y>x)
(y-x/x)100
a set
3.16
a<x<b

36. C²= a²+b² and angle x and y are equal to 90°
x<0 and z=x+y
right triangle
equilateral triangle
Axioms

37. What % of m is n
(x/100)m= n
1.4
right triangle
the sum of its digits is divisible by 3

38. x/100
x%
rectangle
x²-y²
angle

39. The increase from x to y
y-x
x²+ 2xy+y²
any variable
parallelogram

40. (x+y) (x-y)
consistent lines
the sum of its digits is divisible by 3
x²-y²
standard deviation

41. x + (n/100)x
n percent greater than x
similar triangles
approx products
the last three numbers are divisible by 8

42. 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
coinciding lines
the sum of parts
never divide by zero
positive

43. V2
(x-y/x)100
x²-y²
equal
1.4

44. Parallel and never intersect - they have no solution at all - they are parallel with the same slope
equal angles
the last digit is 0
360 degrees
inconsistent lines

45. Wx<wy
c x (john'S age)
y-x
a
w<0 and x>y

46. A/A¹ = B/B¹= C/C¹
regular polygon properties
polygon
a<x<b
similar triangles

47. Any integer is divisible by 8 if
odd
always positive or zero
x-y/xy
the last three numbers are divisible by 8

48. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d
belongs to
trapezoid
permutations
equilateral triangle

49. B>c+ d>e
b+d>c+e
the sum of its digits is divisible by 9
a set
right triangle

50. 2k + 1
-y
if the last digit of the number is 0 -2 -4 -6 -8
isosceles
expression of an odd number