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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 even number of negative numbers is
x is greater than y
positive
angle
itself

2. Integer is divisible by 2
closed set
v2/2 or .71
y angle< x angle
if the last digit of the number is 0 -2 -4 -6 -8

3. R²
isosceles
isosceles triangle
diameter of circle
diagonal of a square

4. Area= bh perimeter= 2a +2b
parallelogram
properties of parallelograms
semicircle
1 - 3 - 5 - 7 - 9

5. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)
xy-xz
set
(y-x/x)100
commutative axiom of addition and multiplication

6. x²
triangle or straight line
and
y-x
the square of x

7. Area= l x w perimeter = (2l)(2w)
1.7
rectangle
right angle
simultaneous equations

8. 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
obtuse angle
it is also divisible by 2 and 3
isosceles

9. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²
properties of parallelograms
chord
pythagorean theorem
1.7

10. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d
reflex angle
when finding a solution set
1.4
trapezoid

11. x(y+z)
x-y
xy + xz
inscribed angle
y intercept

12. A+b=c+ d=d
a+b+d=c+d
n percent less than x
right triangle
determining if a number is prime

13. x+w> y+z
isosceles
x>y and w>z
a?n
1.7

14. ?
x + y
no solutions
implies
right triangle

15. 360°
determining if a number is prime
associative axiom of addition and multiplication
circle
and

16. | |
equal
n= mx/100
w>0 and x>y
parallel

17. All three sides and all three angles are equal
relation
find the intersection of two sets
equilateral triangle
x>y

18. Have two equal sides and two equal angles formed by the equal sides and the unequal side.
parallel
isosceles triangle
-y
x + y

19. All even numbers end in the digits of
vertical angles
0 - 2 - 4 - 6 - 8
parallel
positive

20. ?
or
x²-y²
set
right triangle

21. ? if a side < b side - then
equal angles
slope of a line joining two points
trapezoid
y angle< x angle

22. 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
or
coinciding lines
reflex angle
midpoint of a line segment joining 2 parts

23. x + (n/100)x
closed set
is a subset of
n percent greater than x
equilateral triangle

24. Sin 30°
approx square roots
altitude of a triangle
1/2
b is the y-intercept

25. Between 90° and 180°
odd
x-y/xy
obtuse angle
x is greater than y

26. ?if y angle< x angle - then
rectangular solid
equilateral triangle
equilateral triangle
a side< b side

27. Any integer is divisible by 5 if
rectangular solid
the sum of its digits is divisible by 3
xy< 0
the last digit is either 0 or 5

28. The measure of an interior angle is
hexagon
equal to the sum of the measures of the remote exterior angles
pythagorean theorem
angle a and angle b = angle d

29. 9-40-41
w>0 and x>y
x%
right triangle
domain of a relation

30. One angle is equal 90° and the other two angles are equal to the sum of 90°
right triangle
slope of a line joining two points
x>y and w>z
radius of a circle

31. 1/y-1/x x -y ? 0
closed set
x-y/xy
b is the y-intercept
even

32. Area= s² perimeter= 4s
radius of a circle
finding the union of sets
square
a relation is a function

33. Any integer is divisible by 8 if
x<0 and z=x+y
b is the y-intercept
the last three numbers are divisible by 8
x + y

34. x - (n/100)x
semicircle
n percent less than x
straight angle
b+d>c+e

35. ?
right triangle
w<0 and x>y
no solutions
is a subset of

36. Of
permutations
v(x2-x1)²+ (y2-y1)²
right angle
times

37. Between 180° and 360°
reflex angle
expression of an even number
equilateral triangle
radius

38. When the elements of a set are ordered pairs
0 - 2 - 4 - 6 - 8
even
slope of a line joining two points
relation

39. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
angle
right triangle
equal
isosceles triangle

40. C times as old as john

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41. M= y2-y1/x2-x1
slope of a line joining two points
all acute angles are equal and all obtuse angles are equal
hemisphere
(x/100)m= n

42. The point where the line crosses the y-axis - x will always = 0 in this case
y intercept
x<0 and z=x+y
range of a relation
1

43. 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
1 - 3 - 5 - 7 - 9
finding the union of sets
approx square roots
22/7 or 3.14

44. 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.
x + y
hexagon
positive
any variable

45. xn<0 if n is odd and xn>0 if n is even
diameter
x<0
semicircle
expression of an even number

46. If y²= x - then y =
a?n
properties of parallelograms
±vx
right triangle

47. A<x and x<b
inconsistent lines
it is also divisible by 2 and 3
a<x<b
properties of a rectangle

48. 3(4+1)= 3 x 4 + 3 x 1
xy
isosceles triangle
distributive axiom
hemisphere

49. In a triangle - the greatest angles lies
right triangle
w<0 and x>y
opposite the greatest side
vertical angles

50. 1/2d
y angle< x angle
±vx
radius of a circle
altitude of a triangle