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Test your basic knowledge |
GRE Math Strategies
Start Test
Study First
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. 8-15-17
right triangle
equal angles
determining if a number is prime
permutations
2. The decrease from x to y
c x (john'S age)
x-y
hemisphere
it is also divisible by 2 and 3
3. 180°
right triangle
if two sets have no elements in common
straight angle
parallelogram
4. Is always a right angle.
x - y
reflex angle
angle inscribed in semicircle
slope of a line joining two points
5. Area= bh perimeter= 2a +2b
chord
expression of an odd number
right angle
parallelogram
6. M= y2-y1/x2-x1
domain of a relation
slope of a line joining two points
the percent of decrease
greater than c
7. 1-v3- 2 (90-30-60)
right triangle
regular polygon properties
probability
equal to the sum of the measures of the remote exterior angles
8. Two tangents to a circle from the same point outside of the circle are always
x>y and w>z
equal
expression of an even number
inverse of a relation
9. x(y-z)
v3/2 or .87
circle
xy-xz
positive
10. 1/x + 1/y x -y ? 0
x+y/xy
xy-xz
inverse of a relation
consistent lines
11. Area= l x w perimeter = (2l)(2w)
xy-xz
rectangle
determining if a number is prime
if the last digit of the number is 0 -2 -4 -6 -8
12. Any integer is divisible by 6 if
it is also divisible by 2 and 3
perpendicular
(x/100)m= n
always positive or zero
13. B²-4ac = 0 there is
one solution
n percent less than x
vertical angles
find the intersection of two sets
14. The increase from x to y
y-x
angle
tangent
b+d>c+e
15. The whole equals
the square of x
diameter of circle
w<0 and x>y
the sum of parts
16. The percent decrease from x to y ( y<x)
(x-y/x)100
diameter
c x (john'S age)
x-y/xy
17. ?
obtuse angle
similar triangles
it is also divisible by 2 and 3
and
18. A chord through the center of the circle
x - y
semicircle
diameter
right angle
19. ?
always positive or zero
or
straight angle
average
20. x + (n/100)x
all acute angles are equal and all obtuse angles are equal
straight angle
x>y
n percent greater than x
21. 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.
always positive or zero
angle bisector
simultaneous equations
x-y/xy
22. Integer is divisible by 2
x-y/xy
x is less than y
if the last digit of the number is 0 -2 -4 -6 -8
cube
23. x < y or y> x
approx sums
equal
x is less than y
negative
24. 3-4-5
x-y/xy
belongs to
right triangle
or
25. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases
cylinder
expression of an odd number
x>y>0 and w>z>0
3.16
26. Between 180° and 360°
relation
consistent lines
reflex angle
y-x
27. x>0 and y<0 or x<0 and y >0
xy< 0
w>0 and x>y
determining if a number is prime
commutative axiom of addition and multiplication
28. The difference between x and y
x - y
a set
sphere
tangent
29. 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
equal to the sum of the measures of the remote exterior angles
+y
find the intersection of two sets
properties of a rhombus
30. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3
properties of a rectangle
vertical angles
equilateral triangle
diameter
31. Side a +side b of a ? is
greater than c
midpoint of a line segment joining 2 parts
x intercept
approx products
32. x younger than y
semicircle
a
x<0
x - y
33. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
it is also divisible by 2 and 3
the percent of increase
rectangle
hemisphere
34. (x-y)(x-y) = (x-y)²
1.7
x²-2xy+y²
equilateral triangle
x>y>0 and w>z>0
35. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a
always positive or zero
a set
quadratic equations
right triangle
36. If b²-4ac > 0 there are
right triangle
two solutions
rectangular solid
if two sets have no elements in common
37. Intersect at only one point - the point is the only solution to the pair of equations
angle bisector
consistent lines
x and y
isosceles triangle
38. 5-12-13
right triangle
or
x + y
medians of a triangle
39. ?
properties of a square
angle
right triangle
odd
40. The product of an odd number of negative numbers is
inscribed angle
negative
a set
y-x
41. 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
straight angle
standard deviation
x is greater than y
pythagorean theorem
42. One angle is equal 90° and the other two angles are equal to the sum of 90°
equal to the slope of the other
perpendicular bisectors
right triangle
regular polygon properties
43. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication
associative axiom of addition and multiplication
Axioms
v2/2 or .71
x+y/xy
44. The product of x and y
xy
(y-x/x)100
x>y>0 and w>z>0
xy>0
45. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
semicircle
a+b+d=c+d
diameter
right triangle
46. 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
x>y
radius of a circle
x+y/xy
approx square roots
47. (sum of individual quantities or measures/ total number of quantities or measures)
central angle
average
diameter of circle
percent
48. Any integer is divisible by 8 if
the last three numbers are divisible by 8
a+b+d=c+d
1
3.16
49. Sin 30°
x<0 and z=x+y
xy< 0
negative reciprocal of the other
1/2
50. Sin 60°
v3/2 or .87
x + y
even
1/2