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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 whole equals
the sum of parts
coinciding lines
negative reciprocal of the other
a

2. 3-4-5
diameter
two solutions
360 degrees
right triangle

3. 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
associative axiom of addition and multiplication
coinciding lines
positive
1.7

4. Between 90° and 180°
set
obtuse angle
central angle
x is greater than y

5. Any integer is divisible by 10 - if
similar triangles
perpendicular bisectors
the last digit is 0
belongs to

6. y years from now
x<0 and z=x+y
slope of a line joining two points
right triangle
+y

7. 1-v3- 2 (90-30-60)
a?n
equilateral triangle
it is also divisible by 2 and 3
right triangle

8. 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
approx square roots
x and y
x + y
trapezoid

9. R²
never divide by zero
times
a<x<b
diameter of circle

10. 1/2d
positive
x - y
properties of a rhombus
radius of a circle

11. C times as old as john

12. Any integer is divisible by 8 if
rectangle
the last three numbers are divisible by 8
xy
parallel

13. Any integer is divisible by 4 - if
equilateral triangle
equal
the last two digits of the number make a number that is divisible by 4
perpendicular bisectors

14. Area= bh perimeter= 2a +2b
parallelogram
area of a triangle
it is also divisible by 2 and 3
c x (john'S age)

15. The increase from x to y
1
y-x
slope of a line joining two points
b+d>c+e

16. 1/x + 1/y x -y ? 0
x+y/xy
expression of an even number
hexagon
always positive or zero

17. Any arc length is less than
equal to the sum of the measures of the remote exterior angles
right triangle
cube
360 degrees

18. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
w<0 and x>y
permutations
semicircle
x + y

19. The measure of an interior angle is
medians of a triangle
y-x
determining if a number is prime
equal to the sum of the measures of the remote exterior angles

20. The distance from the center of the circle
reflex angle
radius
right triangle
the sum of parts

21. ? if a side < b side - then
all acute angles are equal and all obtuse angles are equal
it is also divisible by 2 and 3
y angle< x angle
x>y

22. V10
determining if a number is prime
w<0 and x>y
3.16
x - y

23. /100 (the ______ number over 100)
obtuse angle
radius of a circle
percent
a+b+d=c+d

24. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication
Axioms
even
equal
x>y>0 and w>z>0

25. The sum of the interior angles is
parallel
180 degrees
b+d>c+e
vertical angles

26. 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.
isosceles triangle
negative reciprocal of the other
medians of a triangle
all acute angles are equal and all obtuse angles are equal

27. x older than y
the square of x
angle a and angle b = angle d
or
x + y

28. xw> yz
triangle or straight line
x>y>0 and w>z>0
right triangle
equilateral triangle

29. If two lines are perpendicular - the slope of one is the
circle
(x-y/x)100
coinciding lines
negative reciprocal of the other

30. B²-4ac = 0 there is
1/2
right triangle
xy
one solution

31. One angle is equal 90° and the other two angles are equal to the sum of 90°
find the intersection of two sets
odd
supplementary angles
right triangle

32. The product of x and y
x<0
equal
isosceles triangle
xy

33. The lines that divide each angle of the triangle into two equal parts. these lines meet in a point that is the center of a circle inscribed in the triangle.
the perpendicular distance
area of a triangle
xy-xz
angle bisector

34. The sum of any two sides of a triangle is greater than
y-x
(x/100)m= n
n percent less than x
the third side

35. The product of an even number of negative numbers is
hexagon
positive
approx products
coinciding lines

36. Sum of two odd numbers is
even
it is also divisible by 2 and 3
combinations
belongs to

37. (x+y) (x-y)
triangle or straight line
x percent
isosceles triangle
x²-y²

38. The percent increase from x to y (y>x)
the sum of its digits is divisible by 9
altitude of a triangle
simultaneous equations
(y-x/x)100

39. Intersect at only one point - the point is the only solution to the pair of equations
trapezoid
consistent lines
a set
hemisphere

40. Sin 45°
angle bisector
closed set
v2/2 or .71
determining if a number is prime

41. x +z > y+z
angle a and angle b = angle d
(x/100)m= n
isosceles triangle
x>y

42. 1. determine a rough approximation of the square root of the number. 2. divide the number by all the primes that are less than the approx square root. If the number is not divisible by ANY of the these primes - then it is prime. If it IS divisible -
equilateral triangle
determining if a number is prime
x²-2xy+y²
equal

43. Any line that connects two points on a circle.
xy + xz
chord
similar triangles
properties of a square

44. V2/2- v2/2 - 1 (90-45-45)
isosceles triangle
simultaneous equations in 2 unknowns
solution set
determining if a number is prime

45. A°
angle inscribed in semicircle
x-y/xy
average
1

46. Wx<wy
w<0 and x>y
relation
right triangle
radius of a circle

47. The percent decrease from x to y ( y<x)
negative
equal to the sum of the measures of the remote exterior angles
similar triangles
(x-y/x)100

48. What % of m is n
v2/2 or .71
consistent lines
equal angles
(x/100)m= n

49. ?if y angle< x angle - then
angle inscribed in semicircle
a side< b side
similar triangles
x-y

50. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²
if the last digit of the number is 0 -2 -4 -6 -8
isosceles triangle
pythagorean theorem
a set