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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. Is a rectangular rhombus 1. all four sides are equal 2. opposite pairs of sides are parallel 3. diagonals are equal - are perpendicular to each other - and bisect each other. 4. all the angles are right triangles 5. diagonals intersect the vertices a
properties of a square
it is also divisible by 2 and 3
even
itself
2. 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.
perpendicular bisectors
x - y
rectangle
central angle
3. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3
negative
average
equilateral triangle
slope of a line joining two points
4. 180°
even
right triangle
triangle or straight line
two solutions
5. x>0 and y>0 or x<0 and y<0
sphere
coinciding lines
a side< b side
xy>0
6. ? if a side < b side - then
equal
greater than c
1 - 3 - 5 - 7 - 9
y angle< x angle
7. In transversals
supplementary angles
midpoint of a line segment joining 2 parts
all acute angles are equal and all obtuse angles are equal
right triangle
8. A chord through the center of the circle
diameter
x and y
x + y
a+b+d=c+d
9. All even numbers end in the digits of
it is also divisible by 2 and 3
x and y
n= mx/100
0 - 2 - 4 - 6 - 8
10. ?
22/7 or 3.14
sphere
equals
x-y
11. 7-24-25
consistent lines
right triangle
n= mx/100
semicircle
12. x(y-z)
(y-x/x)100
negative
xy-xz
xy + xz
13. Have two equal sides and two equal angles formed by the equal sides and the unequal side.
rectangular solid
similar triangles
chord
isosceles triangle
14. (x+y) (x-y)
right triangle
simultaneous equations in 2 unknowns
x²-y²
x-y/xy
15. The whole equals
or
if the last digit of the number is 0 -2 -4 -6 -8
x + y
the sum of parts
16. The product of x and y
x is greater than y
no solutions
xy
xy>0
17. x < y or y> x
opposite the greatest side
x is less than y
the square of x
x + y
18. 3-4-5
equilateral triangle
right triangle
v3/2 or .87
x - y
19. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication
Axioms
the percent of decrease
similar triangles
xy + xz
20. y years ago
isosceles triangle
-y
square
right triangle
21. x > y or y< x
1
b is the y-intercept
inverse of a relation
x is greater than y
22. V3
x²+ 2xy+y²
then side b > side a
1.7
perpendicular bisectors
23. The percent decrease from x to y ( y<x)
right triangle
(x-y/x)100
cylinder
x>y and w>z
24. Angles that equal 180 degrees
the last digit is either 0 or 5
standard deviation
x>y>0 and w>z>0
supplementary angles
25. (x+y)(x+y)= (x+y)²
finding the union of sets
x²-y²
x²+ 2xy+y²
x%
26. All three sides and all three angles are equal
no solutions
xy>0
cube
equilateral triangle
27. 90°
right angle
Axioms
right triangle
x>y
28. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
all acute angles are equal and all obtuse angles are equal
straight angle
x - y
semicircle
29. x + y
equal
isosceles triangle
x and y
xy + xz
30. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a
isosceles
quadratic equations
n percent greater than x
v(x2-x1)²+ (y2-y1)²
31. 5+3= 3+5 and 5 x 3= 3 x 5
straight angle
y intercept
commutative axiom of addition and multiplication
x>y>0 and w>z>0
32. Write down every member in one or both of the sets - the union of two sets is a new set. the union of set A and B is written as A?B
finding the union of sets
+y
vertical angles
x is less than y
33. Is the set of the second components of the ordered pairs
approx products
the perpendicular distance
parallelogram
range of a relation
34. Angles directly across each other are equal
1/2
180 degrees
diameter of circle
vertical angles
35. Product of an even number and any other number is
even
rectangular solid
area of a triangle
itself
36. x older than y
x + y
a<x<b
circle
a
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)
Axioms
combinations
n= mx/100
properties of a square
38. x>0 and y<0 or x<0 and y >0
set
supplementary angles
y-x
xy< 0
39. A closed plane whose sides are straight lines. The sum of the angles is equal to 180(n-2) - where n is the number of sides.
straight angle
polygon
angle inscribed in semicircle
the percent of decrease
40. The product of an even number of negative numbers is
greater than c
positive
combinations
equal to the slope of the other
41. Which - what
any variable
w>0 and x>y
parallelogram
semicircle
42. 1. solve the equation or inequality 2. use ONLY the solutions which satisfy the condition required - the set of all x such that x is greater than or equal to 10 R= {x: x=10}
when finding a solution set
isosceles triangle
isosceles
0 - 2 - 4 - 6 - 8
43. The point where the line crosses the y-axis - x will always = 0 in this case
isosceles triangle
times
y intercept
opposite the greatest side
44. If the base angles of a triangle are equal - the triangle is
xy-xz
equal to the sum of the measures of the remote exterior angles
isosceles
one solution
45. ?
belongs to
if the last digit of the number is 0 -2 -4 -6 -8
similar triangles
right triangle
46. C²= a²+b² and angle x and y are equal to 90°
c x (john'S age)
right triangle
180 degrees
combinations
47. 180°
positive
straight angle
y intercept
any variable
48. When the elements of a set are ordered pairs
parallel
straight angle
relation
±vx
49. y years from now
hexagon
consistent lines
+y
equilateral triangle
50. The distance from the center of the circle
radius
sphere
right triangle
implies
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