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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. Set of solutions to an equation
v3/2 or .87
triangle or straight line
solution set
x - y
2. Any integer is divisible by 5 if
xy>0
equal
angle inscribed in semicircle
the last digit is either 0 or 5
3. All sides are equal and all of whose angles are equal. 1. can be inscribed in a circle and can be circumscribed about another circle. 2. each angle is equal to the sum of the angles divided by the number of sides 180(n-2)°/n.
equilateral triangle
square
a
regular polygon properties
4. A subset of a set is
x>y
triangle
x + y
a set
5. The percent increase from x to y (y>x)
(y-x/x)100
xy< 0
finding the union of sets
any variable
6. The percent decrease from x to y ( y<x)
(x-y/x)100
expression of an even number
all acute angles are equal and all obtuse angles are equal
angle
7. If the base angles of a triangle are equal - the triangle is
isosceles
any variable
right triangle
3.16
8. 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.
combinations
medians of a triangle
x²-2xy+y²
coinciding lines
9. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other
x intercept
quadratic equations
a set
vertical angles
10. A¹
it is also divisible by 2 and 3
midpoint of a line segment joining 2 parts
a
x-y
11. Sum of an odd and an even number is
odd
parallel
x is less than y
x + y
12. C²= a²+b² and angle x and y are equal to 90°
the last three numbers are divisible by 8
3.16
right triangle
isosceles
13. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
hemisphere
equal
properties of parallelograms
straight angle
14. x less than y
simultaneous equations in 2 unknowns
the last three numbers are divisible by 8
or
y-x
15. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d
trapezoid
y-x
negative reciprocal of the other
simultaneous equations in 2 unknowns
16. (amount of increase/original amount) x 100
the percent of increase
the sum of its digits is divisible by 3
the third side
equilateral triangle
17. (x+y) (x-y)
combinations
±vx
-y
x²-y²
18. Area = ?r² circumference(perimeter)= 2?r
all acute angles are equal and all obtuse angles are equal
when finding a solution set
n= mx/100
circle
19. 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.
central angle
hemisphere
1
acute angle
20. 2k + 1
isosceles triangle
expression of an odd number
the last three numbers are divisible by 8
null set
21. 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
isosceles
finding the union of sets
x-y/xy
parallel
22. Any integer is divisible by 9 - if
right triangle
the sum of its digits is divisible by 9
n percent greater than x
radius
23. x+w> y+z
n percent less than x
a<x<b
x>y and w>z
square
24. 180°
permutations
straight angle
pythagorean theorem
inscribed angle
25. Any arc length is less than
360 degrees
domain of a relation
x - y
isosceles triangle
26. In a triangle - the greatest angles lies
x<0
diameter
then side b > side a
opposite the greatest side
27. M= y2-y1/x2-x1
b+d>c+e
it is also divisible by 2 and 3
x>y and y>z
slope of a line joining two points
28. Volume=lwh surface area= 2wh + 2hl + 2lw
rectangular solid
x²+ 2xy+y²
the sum of parts
equilateral triangle
29. x>z
even
right triangle
parallel
x>y and y>z
30. y years from now
perpendicular bisectors
±vx
diagonal of a square
+y
31. Angles directly across each other are equal
tangent
and
a+b+d=c+d
vertical angles
32. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases
right triangle
x is greater than y
pythagorean theorem
cylinder
33. If under the operation - any two members of the set constitute an element of the set ( * the product of the elements multiplied by themselves must also be an element of the set*)
supplementary angles
reflex angle
x percent
closed set
34. 360°
the square of x
odd
equal
circle
35. y years ago
-y
the last two digits of the number make a number that is divisible by 4
x is less than y
rectangular solid
36. Sin 60°
c x (john'S age)
if the last digit of the number is 0 -2 -4 -6 -8
y intercept
v3/2 or .87
37. Intersect at only one point - the point is the only solution to the pair of equations
percent
xy + xz
consistent lines
0 - 2 - 4 - 6 - 8
38. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²
pythagorean theorem
itself
x²-2xy+y²
n percent greater than x
39. 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)
probability
if the last digit of the number is 0 -2 -4 -6 -8
vertical angles
range of a relation
40. 180°
one solution
sphere
triangle or straight line
null set
41. N is what % of m
y angle< x angle
acute angle
n= mx/100
quadratic equations
42. 3-4-5
associative axiom of addition and multiplication
one solution
pythagorean theorem
right triangle
43. The sum of the interior angles is
greater than c
distributive axiom
180 degrees
n percent less than x
44. (sum of individual quantities or measures/ total number of quantities or measures)
hexagon
x²-y²
average
tangent
45. Any line that connects two points on a circle.
triangle or straight line
x<0 and z=x+y
xy + xz
chord
46. x>0 and y>0 or x<0 and y<0
angle inscribed in semicircle
x-y
equal angles
xy>0
47. ?
x is greater than y
similar triangles
implies
midpoint of a line segment joining 2 parts
48. 1/x + 1/y x -y ? 0
180 degrees
central angle
obtuse angle
x+y/xy
49. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
the sum of parts
a
right triangle
null set
50. Sum of two even numbers is
a set
even
a side< b side
right angle