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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 product of an even number of negative numbers is
1.4
distributive axiom
positive
xy-xz
2. 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
all acute angles are equal and all obtuse angles are equal
1.7
approx products
rectangle
3. Angles directly across each other are equal
circle
vertical angles
x-y
polygon
4. 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)
probability
x - y
n= mx/100
3.16
5. Wx<wy
x>y and w>z
-y
circle
w<0 and x>y
6. If y²= x - then y =
the last two digits of the number make a number that is divisible by 4
x<0 and z=x+y
±vx
the sum of its digits is divisible by 3
7. 1. solve the equation or inequality 2. use ONLY the solutions which satisfy the condition required - the set of all x such that x is greater than or equal to 10 R= {x: x=10}
x²-2xy+y²
always positive or zero
two solutions
when finding a solution set
8. x - (n/100)x
inconsistent lines
xy>0
n percent less than x
hemisphere
9. A subset of a set is
negative
approx sums
then side b > side a
a set
10. ?
v2/2 or .71
the sum of parts
triangle
or
11. Is a subset of every set
w<0 and x>y
3.16
null set
reflex angle
12. Diagonal= sv2
1.4
average
diagonal of a square
percent
13. x +z > y+z
x>y
solution set
equilateral triangle
semicircle
14. Between 90° and 180°
0 - 2 - 4 - 6 - 8
v(x2-x1)²+ (y2-y1)²
obtuse angle
x>y
15. The whole equals
diagonal of a square
the sum of parts
xy< 0
midpoint of a line segment joining 2 parts
16. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3
x<0
equilateral triangle
two solutions
greater than c
17. Volume=lwh surface area= 2wh + 2hl + 2lw
a set
square
chord
rectangular solid
18. V2
1.4
360 degrees
circle
angle
19. M= y2-y1/x2-x1
n= mx/100
equal angles
equal
slope of a line joining two points
20. ? if a side < b side - then
y angle< x angle
expression of an even number
right triangle
percent
21. A/A¹ = B/B¹= C/C¹
greater than c
rectangular solid
similar triangles
even
22. | |
always positive or zero
parallel
properties of a rhombus
the third side
23. 1-1-1 (60-60-60)
xy-xz
equilateral triangle
cylinder
average
24. Parallel and never intersect - they have no solution at all - they are parallel with the same slope
(x-y/x)100
domain of a relation
inconsistent lines
equal to the sum of the measures of the remote exterior angles
25. 5+3= 3+5 and 5 x 3= 3 x 5
commutative axiom of addition and multiplication
x>y
radius of a circle
angle bisector
26. V3
diameter of circle
odd
opposite the greatest side
1.7
27. The sum of the interior angles is
180 degrees
vertical angles
diagonal of a square
range of a relation
28. Area= bh perimeter= 2a +2b
parallelogram
rectangular solid
right triangle
xy>0
29. y years ago
the sum of parts
-y
standard deviation
pythagorean theorem
30. Are the lines drawn from each vertex to the midpoint of its opposite side. they cross at a point that divides each individual ______into two parts.
itself
radius
medians of a triangle
no solutions
31. Wx>wy
1/2
1.4
x%
w>0 and x>y
32. Any integer is divisible by 8 if
the last three numbers are divisible by 8
closed set
x>y
equal
33. Intersect at only one point - the point is the only solution to the pair of equations
consistent lines
chord
right triangle
approx square roots
34. 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.
perpendicular bisectors
chord
parallelogram
medians of a triangle
35. 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
approx square roots
probability
right triangle
triangle or straight line
36. Any line that connects two points on a circle.
chord
equal
-y
pythagorean theorem
37. C²= a²+b² and angle x and y are equal to 90°
b+d>c+e
right triangle
v3/2 or .87
altitude of a triangle
38. x + y
x and y
1/2
odd
right triangle
39. ?
implies
the last three numbers are divisible by 8
set
odd
40. 1/2d
n percent less than x
right triangle
is a subset of
radius of a circle
41. ?
central angle
and
simultaneous equations in 2 unknowns
it is also divisible by 2 and 3
42. 8-15-17
perpendicular bisectors
x>y and y>z
xy
right triangle
43. The sume of x and y
vertical angles
Axioms
the sum of parts
x + y
44. If an equation can be put into the form y= mx +b - then
the last digit is either 0 or 5
b is the y-intercept
x-y
greater than c
45. If two lines are perpendicular - the slope of one is the
opposite the greatest side
the sum of its digits is divisible by 3
x>y and y>z
negative reciprocal of the other
46. x older than y
altitude of a triangle
x + y
any variable
x-y
47. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases
area of a triangle
cylinder
x intercept
x²+ 2xy+y²
48. A+b=c+ d=d
a+b+d=c+d
isosceles
diameter
x>y and y>z
49. The measure of an interior angle is
equal to the sum of the measures of the remote exterior angles
xy< 0
w>0 and x>y
x + y
50. The percent decrease from x to y ( y<x)
(x-y/x)100
range of a relation
±vx
x is greater than y
Sorry!:) No result found.
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