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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. 1/2bh
area of a triangle
or
circle
two solutions
2. 2k + 1
xy + xz
x%
circle
expression of an odd number
3. The sum of any two sides of a triangle is greater than
the third side
odd
v(x2-x1)²+ (y2-y1)²
y-x
4. x/100
x percent
x+y/xy
angle inscribed in semicircle
rectangle
5. 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
equal
obtuse angle
commutative axiom of addition and multiplication
properties of a square
6. 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
range of a relation
1.7
finding the union of sets
belongs to
7. 1/2d
times
negative
radius of a circle
(y-x/x)100
8. What % of m is n
combinations
(x/100)m= n
x + y
right triangle
9. x - (n/100)x
n percent less than x
the sum of its digits is divisible by 9
obtuse angle
odd
10. Is - as - was - has - cost
the sum of parts
no solutions
simultaneous equations in 2 unknowns
equals
11. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other
altitude of a triangle
odd
vertical angles
simultaneous equations in 2 unknowns
12. In a triangle - the greatest angles lies
itself
greater than c
x - y
opposite the greatest side
13. The measure of an interior angle is
radius of a circle
diameter of circle
equal to the sum of the measures of the remote exterior angles
n percent less than x
14. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB
determining if a number is prime
xy + xz
find the intersection of two sets
properties of a rhombus
15. Between 90° and 180°
probability
obtuse angle
positive
distributive axiom
16. 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
square
range of a relation
properties of parallelograms
determining if a number is prime
17. The quotient of any quantity (except 0) divided by zero is infinity
area of a triangle
xy-xz
never divide by zero
set
18. V10
the last digit is either 0 or 5
cylinder
3.16
x%
19. 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
odd
equals
180 degrees
approx sums
20. 7-24-25
(y-x/x)100
(x-y/x)100
negative reciprocal of the other
right triangle
21. ?
right triangle
perpendicular
+y
negative reciprocal of the other
22. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)
determining if a number is prime
x²-2xy+y²
even
v(x2-x1)²+ (y2-y1)²
23. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases
probability
a<x<b
y intercept
cylinder
24. 9-40-41
never divide by zero
the last digit is either 0 or 5
x intercept
right triangle
25. 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)
all acute angles are equal and all obtuse angles are equal
angle a and angle b = angle d
the last digit is 0
x²-y²
26. 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.
xy
right triangle
even
central angle
27. The distance from the center of the circle
acute angle
the last two digits of the number make a number that is divisible by 4
radius
isosceles
28. Is a subset of every set
null set
two solutions
angle bisector
1 - 3 - 5 - 7 - 9
29. A/A¹ = B/B¹= C/C¹
a side< b side
greater than c
similar triangles
reflex angle
30. ?
y-x
belongs to
x intercept
when finding a solution set
31. Volume= 4/3?r² surface area= 4?r²
sphere
odd
diameter of circle
circle
32. If two lines are parallel - the slope of one is
determining if a number is prime
equal to the slope of the other
xy + xz
x%
33. (x-y)(x-y) = (x-y)²
acute angle
circle
relation
x²-2xy+y²
34. Volume= e(edge)³ surface area= 6e²
b+d>c+e
probability
cube
right angle
35. Is the relation with ALL ordered pairs REVERSED.
positive
quadratic equations
inverse of a relation
distributive axiom
36. The distance between two parallel lines or from a point to a line always means
right triangle
then side b > side a
the perpendicular distance
parallel
37. Wx<wy
equal to the sum of the measures of the remote exterior angles
even
xy>0
w<0 and x>y
38. 1-1-v2 (90-45-45)
approx sums
negative reciprocal of the other
pythagorean theorem
right triangle
39. ?
x + y
a<x<b
implies
1.7
40. 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.
acute angle
medians of a triangle
x - y
altitude of a triangle
41. When two parallel lines are crossed by a third straight line (transversal) - then
vertical angles
equals
all acute angles are equal and all obtuse angles are equal
x is less than y
42. In transversals
the last digit is 0
all acute angles are equal and all obtuse angles are equal
no solutions
if the last digit of the number is 0 -2 -4 -6 -8
43. (x+y)(x+y)= (x+y)²
central angle
even
x²+ 2xy+y²
a?n
44. 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.
x is less than y
semicircle
polygon
the last digit is 0
45. Sum of an odd and an even number is
x%
odd
the sum of its digits is divisible by 9
n percent less than x
46. The lines that divide each angle of the triangle into two equal parts. these lines meet in a point that is the center of a circle inscribed in the triangle.
rectangle
a
360 degrees
angle bisector
47. V2/2- v2/2 - 1 (90-45-45)
reflex angle
(y-x/x)100
isosceles triangle
equal angles
48. ?
is a subset of
perpendicular bisectors
then side b > side a
range of a relation
49. 1/x + 1/y x -y ? 0
x+y/xy
1
associative axiom of addition and multiplication
xy-xz
50. Any integer is divisible by 10 - if
the square of x
the last digit is 0
cube
angle a and angle b = angle d