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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. A<x and x<b
medians of a triangle
x + y
and
a<x<b
2. 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.
all acute angles are equal and all obtuse angles are equal
1.7
regular polygon properties
radius
3. Any line that connects two points on a circle.
chord
the last three numbers are divisible by 8
triangle
v3/2 or .87
4. Is - as - was - has - cost
approx products
equals
pythagorean theorem
negative
5. A line that is perpendicular to a radius and that passes through only one point of the circle.
a?n
hemisphere
tangent
diameter
6. 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)
180 degrees
straight angle
triangle or straight line
angle a and angle b = angle d
7. x/100
a+b+d=c+d
isosceles triangle
x percent
right triangle
8. Wx<wy
even
inverse of a relation
w<0 and x>y
set
9. 1. round each number being added to one more place than it is being asked. 2. add the rounded numbers. 3. round off the sum to the desired number of places
±vx
properties of a rhombus
angle a and angle b = angle d
approx sums
10. Diagonal= sv2
diagonal of a square
semicircle
equal
n= mx/100
11. ?
xy>0
it is also divisible by 2 and 3
pythagorean theorem
and
12. 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*)
closed set
xy-xz
hexagon
x²-y²
13. 1/x + 1/y x -y ? 0
right triangle
acute angle
odd
x+y/xy
14. ? if a side is equal to b side then - the opposite corresponding angles are
xy
equal
simultaneous equations in 2 unknowns
negative
15. Any integer is divisible by 10 - if
the last digit is 0
the last two digits of the number make a number that is divisible by 4
perpendicular
approx products
16. 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.
rectangle
medians of a triangle
isosceles
x%
17. 1/2d
radius of a circle
equal angles
isosceles triangle
x and y
18. 1-v3- 2 (90-30-60)
c x (john'S age)
right triangle
hexagon
diagonal of a square
19. x less than y
even
probability
x-y
y-x
20. 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}
equal
-y
when finding a solution set
xy
21. Area= bh perimeter= 2a +2b
1.7
is a subset of
percent
parallelogram
22. Between 180° and 360°
a side< b side
closed set
n percent less than x
reflex angle
23. Integer is divisible by 2
range of a relation
simultaneous equations
x²+ 2xy+y²
if the last digit of the number is 0 -2 -4 -6 -8
24. If the base angles of a triangle are equal - the triangle is
if the last digit of the number is 0 -2 -4 -6 -8
v(x2-x1)²+ (y2-y1)²
isosceles
positive
25. 5-12-13
angle inscribed in semicircle
inconsistent lines
(x-y/x)100
right triangle
26. 2k + 1
expression of an odd number
y angle< x angle
all acute angles are equal and all obtuse angles are equal
closed set
27. 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
any variable
and
properties of parallelograms
28. Of
xy>0
times
x intercept
diameter of circle
29. M= y2-y1/x2-x1
and
Axioms
slope of a line joining two points
right triangle
30. Angles that equal 180 degrees
360 degrees
cylinder
properties of parallelograms
supplementary angles
31. V10
3.16
the square of x
a relation is a function
tangent
32. Product of two odd numbers is
odd
simultaneous equations in 2 unknowns
if the last digit of the number is 0 -2 -4 -6 -8
x + y
33. Sum of two even numbers is
x>y>0 and w>z>0
diagonal of a square
even
x²-y²
34. If an equation can be put into the form y= mx +b - then
+y
radius
n percent less than x
b is the y-intercept
35. Less than 90°
acute angle
parallelogram
properties of a rectangle
x and y
36. Volume= 4/3?r² surface area= 4?r²
sphere
equal
inscribed angle
angle
37. x > y or y< x
x is greater than y
trapezoid
x is less than y
diameter of circle
38. ? if a side < b side - then
360 degrees
a+b+d=c+d
y angle< x angle
perpendicular
39. Any integer is divisible by 3 - if
xy>0
rectangular solid
the sum of its digits is divisible by 3
straight angle
40. 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)
combinations
the last digit is 0
two solutions
cube
41. 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
b is the y-intercept
y-x
xy< 0
finding the union of sets
42. The distance from the center of the circle
n percent greater than x
x>y and w>z
radius
v2/2 or .71
43. The product of an even number of negative numbers is
area of a triangle
1
positive
two solutions
44. V2
radius of a circle
1.4
(y-x/x)100
perpendicular bisectors
45. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases
cylinder
closed set
even
x + y
46. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
even
hemisphere
Axioms
parallel
47. Sin 45°
sphere
x>y and y>z
v2/2 or .71
regular polygon properties
48. 1-1-1 (60-60-60)
right triangle
parallel
equilateral triangle
+y
49. Two tangents to a circle from the same point outside of the circle are always
similar triangles
solution set
pythagorean theorem
equal
50. Every set is a subset of
itself
odd
1.4
simultaneous equations