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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. 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
n percent greater than x
combinations
approx products
a<x<b
2. The whole equals
b is the y-intercept
even
right triangle
the sum of parts
3. Parallel and never intersect - they have no solution at all - they are parallel with the same slope
right triangle
inconsistent lines
greater than c
diameter of circle
4. Is - as - was - has - cost
equals
square
a<x<b
x-y
5. A/A¹ = B/B¹= C/C¹
trapezoid
x - y
similar triangles
-y
6. Are the lines that bisect and are perpendicular to each of the three sides. The point where they meet is the center of the circumscribed circle.
xy-xz
permutations
equal
perpendicular bisectors
7. V3
right triangle
1.7
1/2
the last three numbers are divisible by 8
8. Wx>wy
w>0 and x>y
Axioms
right triangle
equilateral triangle
9. ? if a side < b side - then
belongs to
circle
y angle< x angle
no solutions
10. x>0 and y>0 or x<0 and y<0
any variable
medians of a triangle
is a subset of
xy>0
11. Less than 90°
angle
acute angle
angle inscribed in semicircle
x²-2xy+y²
12. x more than y
1.4
rectangular solid
x-y/xy
x + y
13. Integer is divisible by 2
consistent lines
trapezoid
if the last digit of the number is 0 -2 -4 -6 -8
regular polygon properties
14. If ?B > ?A - then
then side b > side a
coinciding lines
medians of a triangle
sphere
15. 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.
altitude of a triangle
rectangle
then side b > side a
1/2
16. N= number of objects (order matters!!!) k= rate at a time nPk= n!/(n-k)! (remember to cancel common numbers)
all acute angles are equal and all obtuse angles are equal
if the last digit of the number is 0 -2 -4 -6 -8
belongs to
permutations
17. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB
y angle< x angle
find the intersection of two sets
right triangle
v2/2 or .71
18. Angle whose sides are two chords. The vertex of the angles lies on the circumference of the circle. The number of degrees of the angle is equal to 1/2 the intercepted arc
y angle< x angle
associative axiom of addition and multiplication
inscribed angle
opposite the greatest side
19. Ax= by + C
percent
inscribed angle
+y
simultaneous equations in 2 unknowns
20. The point where the line crosses the y-axis - x will always = 0 in this case
±vx
x>y
approx square roots
y intercept
21. If two lines are parallel - the slope of one is
a+b+d=c+d
diagonal of a square
parallelogram
equal to the slope of the other
22. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
diagonal of a square
right triangle
x>y
coinciding lines
23. The decrease from x to y
distributive axiom
a+b+d=c+d
hemisphere
x-y
24. 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*)
all acute angles are equal and all obtuse angles are equal
closed set
x>y
properties of a rhombus
25. x + (n/100)x
right triangle
n percent greater than x
approx products
if the last digit of the number is 0 -2 -4 -6 -8
26. If an equation can be put into the form y= mx +b - then
b is the y-intercept
right triangle
x - y
acute angle
27. (x+y)(x+y)= (x+y)²
x²+ 2xy+y²
times
average
the last digit is either 0 or 5
28. The point where the line crosses the x-axis - y will always = 0 in this case
obtuse angle
angle bisector
x intercept
a set
29. 1/x + 1/y x -y ? 0
xy-xz
y-x
inverse of a relation
x+y/xy
30. Which - what
any variable
tangent
when finding a solution set
y-x
31. 7-24-25
trapezoid
all acute angles are equal and all obtuse angles are equal
x and y
right triangle
32. Any integer is divisible by 10 - if
belongs to
polygon
the last digit is 0
360 degrees
33. (x1+ x2/2) - (y1+y2/2) Each coordinate of the midpoint is equal to the average of the corresponding cordinates of the endpoints
midpoint of a line segment joining 2 parts
polygon
find the intersection of two sets
standard deviation
34. The quotient of any quantity (except 0) divided by zero is infinity
it is also divisible by 2 and 3
commutative axiom of addition and multiplication
the third side
never divide by zero
35. If b²-4ac > 0 there are
two solutions
square
x>y
associative axiom of addition and multiplication
36. One angle is equal 90° and the other two angles are equal to the sum of 90°
right triangle
xy
1
equilateral triangle
37. The angles opposite to sides that are equal in length have
the last digit is either 0 or 5
equal angles
find the intersection of two sets
cube
38. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3
x%
1.4
equilateral triangle
one solution
39. 1-v3- 2 (90-30-60)
cylinder
1 - 3 - 5 - 7 - 9
altitude of a triangle
right triangle
40. All three sides and all three angles are equal
equilateral triangle
approx products
equal to the sum of the measures of the remote exterior angles
n= mx/100
41. All odd numbers end in the digits of
a+b+d=c+d
1 - 3 - 5 - 7 - 9
sphere
x and y
42. 3-4-5
right triangle
the square of x
±vx
the sum of its digits is divisible by 3
43. If two lines are perpendicular - the slope of one is the
straight angle
inverse of a relation
a<x<b
negative reciprocal of the other
44. 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
xy-xz
inconsistent lines
22/7 or 3.14
finding the union of sets
45. In transversals
equal
all acute angles are equal and all obtuse angles are equal
equal
parallelogram
46. If b²-4ac < 0 - there are
n= mx/100
null set
no solutions
inverse of a relation
47. 2k + 1
combinations
xy< 0
approx sums
expression of an odd number
48. In a triangle - the greatest angles lies
vertical angles
simultaneous equations
opposite the greatest side
x is less than y
49. Sum of two even numbers is
even
the square of x
x>y
combinations
50. 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.
polygon
parallel
x-y/xy
x²-2xy+y²