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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. The whole equals
belongs to
positive
the sum of parts
perpendicular bisectors
2. (amount of decrease/original amount) x 100
the percent of decrease
the square of x
c x (john'S age)
x percent
3. Less than 90°
the last digit is 0
reflex angle
acute angle
x>y and y>z
4. Sin 30°
0 - 2 - 4 - 6 - 8
1/2
properties of a square
1.4
5. One angle is equal 90° and the other two angles are equal to the sum of 90°
x²-2xy+y²
right triangle
(y-x/x)100
vertical angles
6. A¹
negative reciprocal of the other
expression of an even number
xy>0
a
7. Volume= e(edge)³ surface area= 6e²
cube
equals
odd
triangle
8. Between 180° and 360°
x>y and y>z
angle inscribed in semicircle
reflex angle
xy-xz
9. If an equation can be put into the form y= mx +b - then
xy
angle
w<0 and x>y
b is the y-intercept
10. (x-y)(x-y) = (x-y)²
x²-2xy+y²
perpendicular bisectors
it is also divisible by 2 and 3
equilateral triangle
11. x(y+z)
if two sets have no elements in common
xy + xz
right triangle
acute angle
12. R²
diagonal of a square
it is also divisible by 2 and 3
diameter of circle
if two sets have no elements in common
13. M?A = m?D m?B= m?E m?C=m?F and a/d=b/e=c/f
the perpendicular distance
reflex angle
negative
similar triangles
14. 2k
xy-xz
circle
expression of an even number
xy + xz
15. Is the set of the first components of the ordered pairs.
triangle
domain of a relation
isosceles triangle
x + y
16. x/100
x%
1.4
then side b > side a
even
17. Angles directly across each other are equal
c x (john'S age)
relation
equilateral triangle
vertical angles
18. (x+y)(x+y)= (x+y)²
never divide by zero
x²+ 2xy+y²
expression of an odd number
a set
19. 180°
approx sums
central angle
triangle or straight line
closed set
20. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3
one solution
equal to the slope of the other
equilateral triangle
finding the union of sets
21. 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)
acute angle
radius
angle
combinations
22. The distance between two parallel lines or from a point to a line always means
vertical angles
the perpendicular distance
22/7 or 3.14
polygon
23. Is - as - was - has - cost
a+b+d=c+d
equal
equals
x<0
24. The product of an odd number of negative numbers is
probability
circle
negative
regular polygon properties
25. Integer is divisible by 2
x + y
acute angle
x>y and y>z
if the last digit of the number is 0 -2 -4 -6 -8
26. Product of two odd numbers is
greater than c
odd
no solutions
area of a triangle
27. The percent increase from x to y (y>x)
(y-x/x)100
the percent of decrease
equilateral triangle
right triangle
28. Is drawn from the vertices perpendicular to the opposite sides. The lengths of these lines are useful in calculating the area of the trinagle since the area of the triangle is 1/2bh and the height and the _____are the same.
x+y/xy
altitude of a triangle
percent
right triangle
29. The product of x and y
the percent of decrease
negative reciprocal of the other
xy
180 degrees
30. The distance from the center of the circle
cylinder
radius
angle
all acute angles are equal and all obtuse angles are equal
31. 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*)
n= mx/100
closed set
right triangle
greater than c
32. Is the relation with ALL ordered pairs REVERSED.
inverse of a relation
xy-xz
y-x
properties of a rhombus
33. Sin 45°
v2/2 or .71
x - y
distributive axiom
polygon
34. 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
diagonal of a square
properties of a rhombus
never divide by zero
distributive axiom
35. 5-12-13
180 degrees
find the intersection of two sets
right triangle
equilateral triangle
36. The decrease from x to y
x²-2xy+y²
x-y
x>y and y>z
v(x2-x1)²+ (y2-y1)²
37. 8-15-17
x<0
right triangle
isosceles triangle
domain of a relation
38. 9-40-41
quadratic equations
±vx
find the intersection of two sets
right triangle
39. The percent decrease from x to y ( y<x)
radius of a circle
distributive axiom
(x-y/x)100
percent
40. 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 diagonals divides it into two pairs of congruent triangles
properties of parallelograms
the percent of increase
x>y
rectangular solid
41. Of
(x/100)m= n
even
times
±vx
42. When the elements of a set are ordered pairs
supplementary angles
regular polygon properties
isosceles triangle
relation
43. A<x and x<b
properties of a square
Axioms
a+b+d=c+d
a<x<b
44. x>0 and y>0 or x<0 and y<0
x-y/xy
xy>0
x>y and w>z
isosceles triangle
45. 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.
times
all acute angles are equal and all obtuse angles are equal
hexagon
the last two digits of the number make a number that is divisible by 4
46. x younger than y
positive
hexagon
properties of parallelograms
x - y
47. C²= a²+b² and angle x and y are equal to 90°
perpendicular
right triangle
two solutions
angle a and angle b = angle d
48. Area = ?r² circumference(perimeter)= 2?r
simultaneous equations in 2 unknowns
circle
isosceles
the last three numbers are divisible by 8
49. The product of an even number of negative numbers is
itself
a?n
positive
the last digit is 0
50. 1. round the numbers being multiplied to one more place than it is being asked. 2. Multiply the rounded off numbers 3. round of product to desired number of places
right triangle
approx products
0 - 2 - 4 - 6 - 8
commutative axiom of addition and multiplication