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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. 3-4-5
right triangle
simultaneous equations in 2 unknowns
positive
even
2. A subset of a set is
a set
then side b > side a
equilateral triangle
semicircle
3. Any integer is divisible by 6 if
a side< b side
right triangle
it is also divisible by 2 and 3
or
4. Sum of two even numbers is
inverse of a relation
equilateral triangle
even
itself
5. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)
similar triangles
solution set
associative axiom of addition and multiplication
hemisphere
6. z>y
rectangle
22/7 or 3.14
x<0 and z=x+y
hemisphere
7. x(y-z)
x and y
angle
xy-xz
midpoint of a line segment joining 2 parts
8. ?
x>y
reflex angle
right triangle
implies
9. 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.
approx square roots
central angle
properties of a rectangle
never divide by zero
10. x +z > y+z
semicircle
the last three numbers are divisible by 8
x>y
altitude of a triangle
11. Angles directly across each other are equal
vertical angles
triangle or straight line
x and y
x + y
12. 1-1-1 (60-60-60)
equals
equilateral triangle
square
percent
13. xw> yz
x>y>0 and w>z>0
a set
tangent
inscribed angle
14. ? if a side is equal to b side then - the opposite corresponding angles are
(y-x/x)100
x>y and y>z
equal
x and y
15. y years ago
-y
average
midpoint of a line segment joining 2 parts
c x (john'S age)
16. 8-15-17
average
all acute angles are equal and all obtuse angles are equal
right triangle
x<0 and z=x+y
17. Is - as - was - has - cost
supplementary angles
y angle< x angle
central angle
equals
18. 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)
a
implies
right triangle
probability
19. The point where the line crosses the y-axis - x will always = 0 in this case
y intercept
angle bisector
a side< b side
x is less than y
20. 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
the last three numbers are divisible by 8
properties of a square
approx square roots
altitude of a triangle
21. When the elements of a set are ordered pairs
relation
odd
xy + xz
diameter of circle
22. 5-12-13
x²+ 2xy+y²
no solutions
right triangle
the square of x
23. 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.
reflex angle
square
polygon
is a subset of
24. Then their intersection is the null or empty set - written as Ø
radius of a circle
commutative axiom of addition and multiplication
standard deviation
if two sets have no elements in common
25. C²= a²+b² and angle x and y are equal to 90°
right triangle
x intercept
properties of parallelograms
equilateral triangle
26. Less than 90°
a?n
acute angle
central angle
times
27. 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
supplementary angles
inscribed angle
the last two digits of the number make a number that is divisible by 4
coinciding lines
28. B>c+ d>e
midpoint of a line segment joining 2 parts
chord
b+d>c+e
the percent of increase
29. 1/2d
rectangle
distributive axiom
x is greater than y
radius of a circle
30. M?A = m?D m?B= m?E m?C=m?F and a/d=b/e=c/f
properties of a square
consistent lines
right triangle
similar triangles
31. Any line that connects two points on a circle.
percent
chord
x + y
itself
32. The distance from the center of the circle
regular polygon properties
semicircle
circle
radius
33. 1/2bh
(y-x/x)100
the sum of its digits is divisible by 9
area of a triangle
equal angles
34. 1/y-1/x x -y ? 0
x-y/xy
a set
x is greater than y
the square of x
35. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a
properties of a square
finding the union of sets
quadratic equations
diameter of circle
36. All angles are right angles and diagonals are equal 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
a
circle
properties of a rectangle
n= mx/100
37. ?
x²+ 2xy+y²
parallel
when finding a solution set
perpendicular
38. 1/x + 1/y x -y ? 0
n percent greater than x
v3/2 or .87
x+y/xy
properties of a square
39. 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.
regular polygon properties
expression of an odd number
standard deviation
if two sets have no elements in common
40. 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 less than x
inverse of a relation
the last digit is either 0 or 5
approx products
41. (sum of individual quantities or measures/ total number of quantities or measures)
perpendicular bisectors
the percent of decrease
right triangle
average
42. Is the set of the second components of the ordered pairs
1.7
even
slope of a line joining two points
range of a relation
43. (amount of decrease/original amount) x 100
n= mx/100
if the last digit of the number is 0 -2 -4 -6 -8
rectangular solid
the percent of decrease
44. Product of two odd numbers is
standard deviation
right triangle
odd
a+b+d=c+d
45. 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
semicircle
standard deviation
a side< b side
properties of parallelograms
46. x/100
is a subset of
x%
two solutions
equilateral triangle
47. Sum of an odd and an even number is
1
right angle
v2/2 or .71
odd
48. 7-24-25
right triangle
midpoint of a line segment joining 2 parts
odd
vertical angles
49. Have two equal sides and two equal angles formed by the equal sides and the unequal side.
isosceles triangle
n percent less than x
chord
always positive or zero
50. All three sides and all three angles are equal
inverse of a relation
x<0 and z=x+y
even
equilateral triangle