Test your basic knowledge |

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. Area= bh perimeter= 2a +2b
parallelogram
probability
xy-xz
right triangle

2. The difference between x and y
a set
negative reciprocal of the other
x - y
two solutions

3. Any line that connects two points on a circle.
x - y
right triangle
chord
all acute angles are equal and all obtuse angles are equal

4. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication
v2/2 or .71
Axioms
all acute angles are equal and all obtuse angles are equal
the percent of decrease

5. V2
1.4
isosceles triangle
a+b+d=c+d
x percent

6. Any integer is divisible by 10 - if
the last digit is 0
n percent greater than x
xy< 0
the sum of its digits is divisible by 9

7. Area= s² perimeter= 4s
right angle
square
x²-2xy+y²
altitude of a triangle

8. All even numbers end in the digits of
isosceles triangle
x - y
a relation is a function
0 - 2 - 4 - 6 - 8

9. The point where the line crosses the y-axis - x will always = 0 in this case
expression of an odd number
all acute angles are equal and all obtuse angles are equal
right triangle
y intercept

10. 1. subtract each number from the average of the numbers 2. square the result of each of the numbers 3. add all those results and then divide by how many numbers you originally had. 4. take the square root of that result
vertical angles
solution set
standard deviation
area of a triangle

11. Any integer is divisible by 4 - if
set
the last two digits of the number make a number that is divisible by 4
determining if a number is prime
right triangle

12. (amount of decrease/original amount) x 100
the percent of decrease
standard deviation
±vx
a side< b side

13. All odd numbers end in the digits of
reflex angle
1 - 3 - 5 - 7 - 9
associative axiom of addition and multiplication
x>y and w>z

14. Is a subset of every set
regular polygon properties
null set
polygon
one solution

15. 360°
a?n
circle
x - y
regular polygon properties

16. Two tangents to a circle from the same point outside of the circle are always
equal
trapezoid
even
finding the union of sets

17. Sin 30°
1/2
area of a triangle
polygon
0 - 2 - 4 - 6 - 8

18. (x1+ x2/2) - (y1+y2/2) Each coordinate of the midpoint is equal to the average of the corresponding cordinates of the endpoints
midpoint of a line segment joining 2 parts
if two sets have no elements in common
right triangle
expression of an even number

19. 7-24-25
x>y
right triangle
the last digit is 0
radius of a circle

20. (x+y)(x+y)= (x+y)²
standard deviation
y angle< x angle
similar triangles
x²+ 2xy+y²

21. Is always a right angle.
isosceles triangle
angle inscribed in semicircle
it is also divisible by 2 and 3
x + y

22. V3
cube
+y
1.7
right triangle

23. Wx>wy
right triangle
negative
w>0 and x>y
x<0

24. What % of m is n
(x/100)m= n
x>y
percent
closed set

25. Sin 45°
v2/2 or .71
angle inscribed in semicircle
and
negative

26. ?
right triangle
or
coinciding lines
inconsistent lines

27. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²
a?n
pythagorean theorem
diameter of circle
odd

28. Is - as - was - has - cost
x + y
implies
no solutions
equals

29. Is the relation with ALL ordered pairs REVERSED.
properties of a rectangle
right triangle
set
inverse of a relation

30. Sum of two even numbers is
approx sums
is a subset of
±vx
even

31. If ?B > ?A - then
then side b > side a
x-y/xy
isosceles
negative

32. M= y2-y1/x2-x1
y angle< x angle
slope of a line joining two points
the sum of parts
times

33. N= number of objects (order matters!!!) k= rate at a time nPk= n!/(n-k)! (remember to cancel common numbers)
pythagorean theorem
the percent of increase
permutations
supplementary angles

34. Sum of an odd and an even number is
triangle or straight line
odd
cube
solution set

35. If b²-4ac < 0 - there are
expression of an even number
greater than c
x - y
no solutions

36. Volume=lwh surface area= 2wh + 2hl + 2lw
rectangular solid
square
expression of an even number
x>y>0 and w>z>0

37. B>c+ d>e
b+d>c+e
right angle
opposite the greatest side
supplementary angles

38. Are the lines that bisect and are perpendicular to each of the three sides. The point where they meet is the center of the circumscribed circle.
x + y
perpendicular bisectors
right angle
n percent greater than x

39. 3-4-5
equal to the slope of the other
set
right triangle
equal

40. 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)
standard deviation
pythagorean theorem
angle a and angle b = angle d
the last three numbers are divisible by 8

41. The whole equals
the last three numbers are divisible by 8
isosceles triangle
the sum of parts
midpoint of a line segment joining 2 parts

42. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
x<0
22/7 or 3.14
xy-xz
semicircle

43. The sum of the interior angles is
x>y
180 degrees
b+d>c+e
distributive axiom

44. Product of two odd numbers is
always positive or zero
x-y/xy
odd
right triangle

45. (sum of individual quantities or measures/ total number of quantities or measures)
negative
average
xy>0
chord

46. Intersect at only one point - the point is the only solution to the pair of equations
n percent less than x
0 - 2 - 4 - 6 - 8
consistent lines
or

47. ?
diameter of circle
chord
belongs to
itself

48. If two lines are parallel - the slope of one is
x and y
times
equal to the slope of the other
(x-y/x)100

49. Any integer is divisible by 9 - if
cylinder
x%
the sum of its digits is divisible by 9
xy< 0

50. ? if a side is equal to b side then - the opposite corresponding angles are
average
perpendicular
equal
equals