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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. x>0 and y<0 or x<0 and y >0
approx square roots
associative axiom of addition and multiplication
x>y>0 and w>z>0
xy< 0
2. Set of solutions to an equation
tangent
v(x2-x1)²+ (y2-y1)²
the square of x
solution set
3. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
simultaneous equations
medians of a triangle
n percent less than x
right triangle
4. 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
negative
diagonal of a square
x percent
5. ?
negative reciprocal of the other
22/7 or 3.14
(x/100)m= n
x + y
6. Area= s² perimeter= 4s
180 degrees
properties of parallelograms
square
y intercept
7. The sum of the interior angles is
180 degrees
circle
the perpendicular distance
and
8. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB
quadratic equations
radius of a circle
find the intersection of two sets
x+y/xy
9. If the each element of the domain occurs only once as a FIRST component
standard deviation
a relation is a function
distributive axiom
angle a and angle b = angle d
10. x older than y
if two sets have no elements in common
determining if a number is prime
perpendicular
x + y
11. (x+y)(x+y)= (x+y)²
right triangle
tangent
x²+ 2xy+y²
inscribed angle
12. A+b=c+ d=d
any variable
a+b+d=c+d
hexagon
x>y and y>z
13. 9-40-41
right triangle
equal
x + y
isosceles triangle
14. Is a subset of every set
n percent greater than x
supplementary angles
null set
coinciding lines
15. Product of two odd numbers is
odd
two solutions
triangle or straight line
x + y
16. Angle whose sides are two radii of the circle. The vertex of this angle is the center of the circle. The number of degrees is equal to the amount of arc length that the radd intercept.
inconsistent lines
right triangle
angle bisector
central angle
17. The increase from x to y
equilateral triangle
22/7 or 3.14
y-x
area of a triangle
18. The difference between x and y
a?n
is a subset of
a relation is a function
x - y
19. Volume= 4/3?r² surface area= 4?r²
right triangle
area of a triangle
sphere
y-x
20. A chord through the center of the circle
odd
y angle< x angle
right triangle
diameter
21. 1-1-v2 (90-45-45)
1
right triangle
permutations
similar triangles
22. M=number of favorable ways n= total number of ways (two events occurring is the prob of the first times the prob of the second)
right triangle
angle a and angle b = angle d
always positive or zero
probability
23. The decrease from x to y
equilateral triangle
y intercept
x-y
odd
24. Any integer is divisible by 5 if
associative axiom of addition and multiplication
triangle
the last digit is either 0 or 5
any variable
25. The sum of any two sides of a triangle is greater than
parallelogram
sphere
the third side
equilateral triangle
26. 180°
pythagorean theorem
straight angle
negative reciprocal of the other
properties of a rectangle
27. If two lines are parallel - the slope of one is
equals
right triangle
equal to the slope of the other
finding the union of sets
28. y years ago
1.7
right triangle
isosceles
-y
29. The angles opposite to sides that are equal in length have
distributive axiom
square
equal to the slope of the other
equal angles
30. V3
reflex angle
x>y and w>z
1.7
simultaneous equations
31. Wx>wy
tangent
w>0 and x>y
x<0
isosceles triangle
32. 1/y-1/x x -y ? 0
properties of parallelograms
x-y/xy
Axioms
opposite the greatest side
33. 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.
equal to the sum of the measures of the remote exterior angles
hexagon
circle
if two sets have no elements in common
34. 3-4-5
permutations
x + y
right triangle
the last digit is either 0 or 5
35. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other
vertical angles
medians of a triangle
22/7 or 3.14
even
36. A line that is perpendicular to a radius and that passes through only one point of the circle.
3.16
tangent
angle bisector
+y
37. N= combinations taken (order does not matter) r= rate at a time nCr or C(n -r) = (n)!/(r)! (remember to cancel out common numbers)
1/2
x-y
combinations
x<0 and z=x+y
38. A<x and x<b
average
equal
cube
a<x<b
39. Area= 1/2bh perimeter= a+b+c
approx square roots
percent
triangle
a side< b side
40. C²= a²+b² and angle x and y are equal to 90°
even
right triangle
angle a and angle b = angle d
3.16
41. 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)
x<0 and z=x+y
1
x-y/xy
angle a and angle b = angle d
42. x > y or y< x
circle
x is greater than y
v(x2-x1)²+ (y2-y1)²
rectangle
43. 8-15-17
set
right triangle
(y-x/x)100
rectangular solid
44. | |
1
diagonal of a square
x+y/xy
parallel
45. When two parallel lines are crossed by a third straight line (transversal) - then
x is greater than y
n percent less than x
all acute angles are equal and all obtuse angles are equal
v2/2 or .71
46. Angles directly across each other are equal
range of a relation
the sum of its digits is divisible by 9
vertical angles
180 degrees
47. x more than y
x-y
x + y
find the intersection of two sets
is a subset of
48. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3
inscribed angle
equilateral triangle
y angle< x angle
v2/2 or .71
49. Is the relation with ALL ordered pairs REVERSED.
inverse of a relation
the percent of decrease
+y
closed set
50. In transversals
no solutions
similar triangles
even
all acute angles are equal and all obtuse angles are equal