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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. x older than y
a+b+d=c+d
x + y
any variable
the percent of decrease
2. 180°
xy>0
xy + xz
straight angle
one solution
3. 1/2bh
hemisphere
always positive or zero
c x (john'S age)
area of a triangle
4. 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}
associative axiom of addition and multiplication
obtuse angle
when finding a solution set
chord
5. The percent increase from x to y (y>x)
inverse of a relation
associative axiom of addition and multiplication
opposite the greatest side
(y-x/x)100
6. ?
supplementary angles
22/7 or 3.14
x>y and w>z
the sum of parts
7. Which - what
cylinder
any variable
odd
properties of a square
8. (amount of increase/original amount) x 100
angle inscribed in semicircle
pythagorean theorem
the percent of increase
right triangle
9. 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
diameter
parallel
approx sums
regular polygon properties
10. All even numbers end in the digits of
and
greater than c
straight angle
0 - 2 - 4 - 6 - 8
11. ?
triangle
chord
implies
negative reciprocal of the other
12. V3
a set
n= mx/100
1.7
relation
13. If y²= x - then y =
angle bisector
y angle< x angle
distributive axiom
±vx
14. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
xy>0
negative
equal angles
hemisphere
15. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
approx sums
1.7
inconsistent lines
right triangle
16. Volume= 4/3?r² surface area= 4?r²
y-x
sphere
3.16
1.4
17. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²
expression of an odd number
(x/100)m= n
pythagorean theorem
when finding a solution set
18. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases
w<0 and x>y
cube
inverse of a relation
cylinder
19. 1/an
0 - 2 - 4 - 6 - 8
a?n
c x (john'S age)
negative reciprocal of the other
20. N= number of objects (order matters!!!) k= rate at a time nPk= n!/(n-k)! (remember to cancel common numbers)
equilateral triangle
cube
combinations
permutations
21. The distance from the center of the circle
polygon
radius
inverse of a relation
properties of parallelograms
22. The angles opposite to sides that are equal in length have
x>y>0 and w>z>0
opposite the greatest side
right triangle
equal angles
23. A/A¹ = B/B¹= C/C¹
range of a relation
similar triangles
trapezoid
x + y
24. 1/2d
v3/2 or .87
1.7
radius of a circle
positive
25. x>z
y-x
all acute angles are equal and all obtuse angles are equal
x>y and y>z
y angle< x angle
26. ? if a side < b side - then
isosceles triangle
y angle< x angle
average
a+b+d=c+d
27. 1. subtract each number from the average of the numbers 2. square the result of each of the numbers 3. add all those results and then divide by how many numbers you originally had. 4. take the square root of that result
hexagon
medians of a triangle
equal to the slope of the other
standard deviation
28. When two parallel lines are crossed by a third straight line (transversal) - then
(y-x/x)100
the sum of its digits is divisible by 9
all acute angles are equal and all obtuse angles are equal
parallelogram
29. xn<0 if n is odd and xn>0 if n is even
n= mx/100
solution set
w>0 and x>y
x<0
30. V2/2- v2/2 - 1 (90-45-45)
isosceles triangle
angle bisector
triangle
x + y
31. x>0 and y<0 or x<0 and y >0
angle
distributive axiom
negative reciprocal of the other
xy< 0
32. The increase from x to y
y-x
a?n
trapezoid
the last digit is either 0 or 5
33. 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
negative reciprocal of the other
finding the union of sets
the last digit is 0
similar triangles
34. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other
x<0
vertical angles
properties of a rectangle
triangle
35. 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)
inverse of a relation
probability
right triangle
y intercept
36. Any arc length is less than
180 degrees
360 degrees
times
finding the union of sets
37. The product of an odd number of negative numbers is
null set
parallelogram
negative
w>0 and x>y
38. Is the set of the second components of the ordered pairs
1
right triangle
x percent
range of a relation
39. Sin 45°
chord
find the intersection of two sets
inconsistent lines
v2/2 or .71
40. Diagonal= sv2
supplementary angles
diagonal of a square
chord
straight angle
41. C²= a²+b² and angle x and y are equal to 90°
right triangle
simultaneous equations in 2 unknowns
(y-x/x)100
itself
42. Have two equal sides and two equal angles formed by the equal sides and the unequal side.
combinations
x>y>0 and w>z>0
right triangle
isosceles triangle
43. 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.
square
medians of a triangle
regular polygon properties
±vx
44. A chord through the center of the circle
determining if a number is prime
diameter
(x/100)m= n
right triangle
45. Area= 1/2bh perimeter= a+b+c
properties of a rectangle
closed set
triangle
the perpendicular distance
46. In a triangle - the greatest angles lies
rectangle
opposite the greatest side
inscribed angle
xy< 0
47. 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
all acute angles are equal and all obtuse angles are equal
equal
polygon
properties of a rectangle
48. Angles directly across each other are equal
the percent of decrease
vertical angles
1
and
49. Less than 90°
acute angle
inconsistent lines
tangent
x + y
50. Any integer is divisible by 4 - if
3.16
find the intersection of two sets
all acute angles are equal and all obtuse angles are equal
the last two digits of the number make a number that is divisible by 4
Can you answer 50 questions in 15 minutes?
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