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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. z>y
straight angle
x<0 and z=x+y
equal to the sum of the measures of the remote exterior angles
polygon

2. 2k
reflex angle
expression of an even number
the sum of its digits is divisible by 3
approx square roots

3. The sum of the interior angles is
xy>0
coinciding lines
22/7 or 3.14
180 degrees

4. (amount of decrease/original amount) x 100
positive
the percent of decrease
equal to the slope of the other
22/7 or 3.14

5. x - (n/100)x
perpendicular bisectors
xy
the sum of parts
n percent less than x

6. Is a subset of every set
it is also divisible by 2 and 3
1 - 3 - 5 - 7 - 9
null set
22/7 or 3.14

7. 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.
inverse of a relation
polygon
inscribed angle
isosceles

8. 180°
slope of a line joining two points
triangle or straight line
x is greater than y
1.4

9. Is the relation with ALL ordered pairs REVERSED.
inverse of a relation
equal angles
right triangle
triangle or straight line

10. 1/2bh
all acute angles are equal and all obtuse angles are equal
never divide by zero
area of a triangle
x>y

11. Have two equal sides and two equal angles formed by the equal sides and the unequal side.
w>0 and x>y
isosceles triangle
x<0 and z=x+y
x - y

12. A chord through the center of the circle
c x (john'S age)
inconsistent lines
0 - 2 - 4 - 6 - 8
diameter

13. C times as old as john

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14. Area= 1/2bh perimeter= a+b+c
triangle
percent
x-y
right triangle

15. Any number squared or raised to an even power is
x>y and w>z
obtuse angle
domain of a relation
always positive or zero

16. ? if a side is equal to b side then - the opposite corresponding angles are
similar triangles
equal
±vx
y intercept

17. Wx>wy
w>0 and x>y
right triangle
x is greater than y
parallel

18. 9-40-41
rectangle
isosceles triangle
right triangle
slope of a line joining two points

19. Write down every member in one or both of the sets - the union of two sets is a new set. the union of set A and B is written as A?B
right triangle
permutations
right triangle
finding the union of sets

20. When the elements of a set are ordered pairs
c x (john'S age)
1.7
find the intersection of two sets
relation

21. 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
regular polygon properties
medians of a triangle
(x/100)m= n

22. Parallel and never intersect - they have no solution at all - they are parallel with the same slope
right triangle
inconsistent lines
similar triangles
equilateral triangle

23. x > y or y< x
even
obtuse angle
x is greater than y
x+y/xy

24. Is the set of the second components of the ordered pairs
range of a relation
Axioms
right triangle
negative

25. (x+y) (x-y)
equilateral triangle
x²-y²
equal
22/7 or 3.14

26. The difference between x and y
permutations
any variable
x - y
opposite the greatest side

27. A/A¹ = B/B¹= C/C¹
circle
circle
x>y
similar triangles

28. In a triangle - the greatest angles lies
percent
equal to the sum of the measures of the remote exterior angles
null set
opposite the greatest side

29. The percent increase from x to y (y>x)
(y-x/x)100
x>y
radius of a circle
cylinder

30. Sum of an odd and an even number is
odd
xy + xz
x²-y²
radius

31. x>z
+y
x>y and y>z
all acute angles are equal and all obtuse angles are equal
acute angle

32. C²= a²+b² and angle x and y are equal to 90°
angle inscribed in semicircle
x²-y²
right triangle
closed set

33. Area= bh perimeter= 2a +2b
parallelogram
±vx
implies
1 - 3 - 5 - 7 - 9

34. Any integer is divisible by 3 - if
supplementary angles
±vx
the sum of its digits is divisible by 3
x is greater than y

35. Sum of two even numbers is
even
never divide by zero
1 - 3 - 5 - 7 - 9
positive

36. A line that is perpendicular to a radius and that passes through only one point of the circle.
set
properties of a rectangle
w<0 and x>y
tangent

37. A pair of equations in two unknowns (each is graphed seperately and each is represented by a straight line)
x is less than y
simultaneous equations
x²-2xy+y²
implies

38. 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
approx products
if the last digit of the number is 0 -2 -4 -6 -8
v(x2-x1)²+ (y2-y1)²
b is the y-intercept

39. In transversals
b+d>c+e
semicircle
x-y
all acute angles are equal and all obtuse angles are equal

40. Any integer is divisible by 9 - if
acute angle
w<0 and x>y
the sum of its digits is divisible by 9
even

41. Sin 60°
1
v3/2 or .87
y angle< x angle
the sum of parts

42. Area = ?r² circumference(perimeter)= 2?r
circle
equals
angle bisector
associative axiom of addition and multiplication

43. The quotient of any quantity (except 0) divided by zero is infinity
x - y
never divide by zero
even
right triangle

44. The point where the line crosses the y-axis - x will always = 0 in this case
right triangle
x>y and y>z
equals
y intercept

45. Area= s² perimeter= 4s
odd
square
central angle
x intercept

46. /100 (the ______ number over 100)
closed set
percent
straight angle
(y-x/x)100

47. ?
1.7
isosceles
implies
xy + xz

48. x/100
x percent
1
x²-y²
(x/100)m= n

49. ?
similar triangles
set
y-x
is a subset of

50. 5+3= 3+5 and 5 x 3= 3 x 5
if two sets have no elements in common
the last two digits of the number make a number that is divisible by 4
commutative axiom of addition and multiplication
v3/2 or .87