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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. 7-24-25
even
y-x
right triangle
circle
2. The distance between two parallel lines or from a point to a line always means
relation
the perpendicular distance
properties of parallelograms
odd
3. (x+y)(x+y)= (x+y)²
probability
x²-2xy+y²
x²+ 2xy+y²
right triangle
4. Is the relation with ALL ordered pairs REVERSED.
inverse of a relation
(y-x/x)100
xy + xz
triangle
5. x more than y
greater than c
22/7 or 3.14
equal
x + y
6. The increase from x to y
v2/2 or .71
x<0 and z=x+y
isosceles
y-x
7. x²
the square of x
n percent less than x
properties of a square
x>y and w>z
8. If two lines are parallel - the slope of one is
equal to the slope of the other
diagonal of a square
x²-2xy+y²
x>y>0 and w>z>0
9. x(y+z)
hemisphere
0 - 2 - 4 - 6 - 8
xy + xz
angle a and angle b = angle d
10. A chord through the center of the circle
diameter
percent
(x-y/x)100
right triangle
11. 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
if the last digit of the number is 0 -2 -4 -6 -8
supplementary angles
finding the union of sets
equilateral triangle
12. Integer is divisible by 2
if the last digit of the number is 0 -2 -4 -6 -8
tangent
greater than c
isosceles
13. 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
then side b > side a
times
reflex angle
properties of a square
14. 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.
determining if a number is prime
right triangle
perpendicular bisectors
sphere
15. x - (n/100)x
n percent less than x
the last digit is either 0 or 5
equilateral triangle
set
16. A/A¹ = B/B¹= C/C¹
central angle
equal to the slope of the other
x%
similar triangles
17. Any arc length is less than
a
find the intersection of two sets
360 degrees
if two sets have no elements in common
18. 1-1-v2 (90-45-45)
commutative axiom of addition and multiplication
x²-2xy+y²
polygon
right triangle
19. One angle is equal 90° and the other two angles are equal to the sum of 90°
right triangle
rectangular solid
altitude of a triangle
is a subset of
20. The percent decrease from x to y ( y<x)
n percent less than x
semicircle
even
(x-y/x)100
21. ? if a side < b side - then
equal
is a subset of
hemisphere
y angle< x angle
22. ?if y angle< x angle - then
x>y and y>z
n= mx/100
percent
a side< b side
23. Set of solutions to an equation
solution set
no solutions
properties of a rhombus
x and y
24. 180°
x + y
right triangle
the last digit is 0
straight angle
25. The sum of any two sides of a triangle is greater than
the square of x
the third side
diagonal of a square
vertical angles
26. The measure of an interior angle is
set
the last two digits of the number make a number that is divisible by 4
vertical angles
equal to the sum of the measures of the remote exterior angles
27. If y²= x - then y =
approx square roots
combinations
±vx
domain of a relation
28. Angles that equal 180 degrees
properties of a rhombus
the perpendicular distance
perpendicular bisectors
supplementary angles
29. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication
semicircle
Axioms
equal to the slope of the other
cylinder
30. /100 (the ______ number over 100)
medians of a triangle
diameter of circle
the sum of parts
percent
31. Sin 60°
v3/2 or .87
±vx
parallelogram
inscribed angle
32. 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
properties of a rhombus
positive
when finding a solution set
v3/2 or .87
33. 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
approx sums
commutative axiom of addition and multiplication
a relation is a function
diameter of circle
34. ?
altitude of a triangle
is a subset of
x²-2xy+y²
hemisphere
35. Parallel and never intersect - they have no solution at all - they are parallel with the same slope
xy + xz
inconsistent lines
closed set
inverse of a relation
36. x>0 and y<0 or x<0 and y >0
isosceles
xy< 0
the last digit is either 0 or 5
no solutions
37. Area= 1/2bh perimeter= a+b+c
midpoint of a line segment joining 2 parts
x - y
triangle
probability
38. All odd numbers end in the digits of
trapezoid
tangent
1 - 3 - 5 - 7 - 9
distributive axiom
39. The product of an odd number of negative numbers is
the last two digits of the number make a number that is divisible by 4
(x/100)m= n
x is greater than y
negative
40. If the base angles of a triangle are equal - the triangle is
isosceles
rectangle
(x-y/x)100
x>y
41. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d
right triangle
cylinder
trapezoid
x - y
42. Area= bh perimeter= 2a +2b
parallelogram
domain of a relation
approx products
rectangular solid
43. Any integer is divisible by 3 - if
radius
equal
medians of a triangle
the sum of its digits is divisible by 3
44. 1. determine a rough approximation of the square root of the number. 2. divide the number by all the primes that are less than the approx square root. If the number is not divisible by ANY of the these primes - then it is prime. If it IS divisible -
determining if a number is prime
greater than c
find the intersection of two sets
x+y/xy
45. 5-12-13
v2/2 or .71
right triangle
solution set
commutative axiom of addition and multiplication
46. 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
approx products
pythagorean theorem
22/7 or 3.14
v3/2 or .87
47. ?
when finding a solution set
or
equilateral triangle
radius
48. Any integer is divisible by 6 if
it is also divisible by 2 and 3
diameter
even
w<0 and x>y
49. (amount of increase/original amount) x 100
altitude of a triangle
x>y>0 and w>z>0
solution set
the percent of increase
50. N= combinations taken (order does not matter) r= rate at a time nCr or C(n -r) = (n)!/(r)! (remember to cancel out common numbers)
combinations
medians of a triangle
angle
hemisphere