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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. (sum of individual quantities or measures/ total number of quantities or measures)
±vx
average
the last two digits of the number make a number that is divisible by 4
range of a relation
2. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases
cylinder
or
vertical angles
x + y
3. Product of two odd numbers is
odd
right triangle
chord
diameter of circle
4. 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
distributive axiom
approx products
supplementary angles
±vx
5. A chord through the center of the circle
the sum of parts
and
diameter
then side b > side a
6. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)
set
positive
inverse of a relation
square
7. Of
associative axiom of addition and multiplication
times
quadratic equations
equilateral triangle
8. 360°
circle
times
right triangle
relation
9. All three sides and all three angles are equal
is a subset of
slope of a line joining two points
360 degrees
equilateral triangle
10. M?A = m?D m?B= m?E m?C=m?F and a/d=b/e=c/f
inverse of a relation
similar triangles
permutations
any variable
11. 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
rectangular solid
properties of a rhombus
radius
diameter
12. Any integer is divisible by 3 - if
xy-xz
the percent of decrease
inscribed angle
the sum of its digits is divisible by 3
13. x more than y
pythagorean theorem
22/7 or 3.14
angle
x + y
14. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)
xy + xz
equal
square
v(x2-x1)²+ (y2-y1)²
15. Is the set of the first components of the ordered pairs.
range of a relation
cylinder
even
domain of a relation
16. 180°
straight angle
y-x
triangle or straight line
always positive or zero
17. 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.
inverse of a relation
altitude of a triangle
commutative axiom of addition and multiplication
diameter of circle
18. Any integer is divisible by 4 - if
x²-y²
the last two digits of the number make a number that is divisible by 4
tangent
expression of an odd number
19. 1/x + 1/y x -y ? 0
reflex angle
perpendicular
sphere
x+y/xy
20. 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.
angle bisector
square
null set
equal to the slope of the other
21. If y²= x - then y =
x + y
set
vertical angles
±vx
22. Side a +side b of a ? is
right triangle
22/7 or 3.14
greater than c
all acute angles are equal and all obtuse angles are equal
23. (x1+ x2/2) - (y1+y2/2) Each coordinate of the midpoint is equal to the average of the corresponding cordinates of the endpoints
belongs to
midpoint of a line segment joining 2 parts
a?n
triangle
24. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)
0 - 2 - 4 - 6 - 8
equilateral triangle
a?n
associative axiom of addition and multiplication
25. xw> yz
null set
x>y>0 and w>z>0
negative
regular polygon properties
26. 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
or
trapezoid
properties of a square
chord
27. V10
midpoint of a line segment joining 2 parts
semicircle
equilateral triangle
3.16
28. ? if a side is equal to b side then - the opposite corresponding angles are
even
vertical angles
x percent
equal
29. A<x and x<b
simultaneous equations in 2 unknowns
the percent of increase
a<x<b
if two sets have no elements in common
30. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d
cube
(x/100)m= n
parallelogram
trapezoid
31. A subset of a set is
angle inscribed in semicircle
the last three numbers are divisible by 8
a set
triangle or straight line
32. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
the sum of parts
semicircle
equilateral triangle
equal to the slope of the other
33. ?
greater than c
isosceles
and
inscribed angle
34. z>y
obtuse angle
chord
x<0 and z=x+y
it is also divisible by 2 and 3
35. ?
implies
right triangle
the sum of parts
x is greater than y
36. Product of an even number and any other number is
even
the third side
a side< b side
right triangle
37. The point where the line crosses the y-axis - x will always = 0 in this case
x is greater than y
y intercept
any variable
right triangle
38. 1/an
even
percent
a?n
set
39. 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.
acute angle
180 degrees
1.7
perpendicular bisectors
40. (x-y)(x-y) = (x-y)²
the sum of its digits is divisible by 3
x²-2xy+y²
acute angle
altitude of a triangle
41. 7-24-25
hemisphere
obtuse angle
if the last digit of the number is 0 -2 -4 -6 -8
right triangle
42. Sin 60°
v3/2 or .87
x-y/xy
is a subset of
consistent lines
43. Volume= 4/3?r² surface area= 4?r²
slope of a line joining two points
xy>0
sphere
0 - 2 - 4 - 6 - 8
44. ?
belongs to
x²-y²
circle
xy
45. R²
diameter of circle
x>y and w>z
find the intersection of two sets
rectangle
46. 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
hemisphere
x>y and y>z
approx square roots
x percent
47. 1/2bh
area of a triangle
medians of a triangle
altitude of a triangle
angle bisector
48. 90°
the last digit is either 0 or 5
right angle
always positive or zero
x-y
49. Any integer is divisible by 9 - if
the percent of decrease
the third side
trapezoid
the sum of its digits is divisible by 9
50. 180°
straight angle
square
1
domain of a relation