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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. 360°
x%
circle
always positive or zero
approx products
2. x older than y
a side< b side
x intercept
x + y
commutative axiom of addition and multiplication
3. xw> yz
isosceles
obtuse angle
x>y>0 and w>z>0
semicircle
4. A+b=c+ d=d
two solutions
a+b+d=c+d
determining if a number is prime
n= mx/100
5. 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
equals
y angle< x angle
finding the union of sets
if the last digit of the number is 0 -2 -4 -6 -8
6. Every set is a subset of
one solution
medians of a triangle
itself
circle
7. Product of two odd numbers is
odd
then side b > side a
the square of x
midpoint of a line segment joining 2 parts
8. ?
x<0
perpendicular
isosceles triangle
isosceles
9. | |
permutations
parallel
the percent of increase
the sum of parts
10. One angle is equal 90° and the other two angles are equal to the sum of 90°
even
two solutions
positive
right triangle
11. ?
equal
right triangle
angle
x is greater than y
12. The case where the two equations are equivalent (just two different forms of the same mathematical relation). Any point that satisfies either of the equations - automatically satisfies both
coinciding lines
radius of a circle
never divide by zero
(x/100)m= n
13. x>0 and y>0 or x<0 and y<0
xy>0
expression of an odd number
the sum of parts
commutative axiom of addition and multiplication
14. Between 90° and 180°
equals
obtuse angle
relation
isosceles
15. 1/an
a?n
x - y
radius of a circle
equal
16. If the base angles of a triangle are equal - the triangle is
approx square roots
isosceles
standard deviation
even
17. Sum of two even numbers is
n percent less than x
implies
even
x is less than y
18. x < y or y> x
is a subset of
x is less than y
straight angle
midpoint of a line segment joining 2 parts
19. x more than y
x + y
x>y
then side b > side a
midpoint of a line segment joining 2 parts
20. The sum of the interior angles is
always positive or zero
180 degrees
quadratic equations
and
21. 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
the sum of its digits is divisible by 9
two solutions
approx products
y-x
22. Is the set of the second components of the ordered pairs
c x (john'S age)
acute angle
approx products
range of a relation
23. 3-4-5
circle
sphere
approx products
right triangle
24. V2/2- v2/2 - 1 (90-45-45)
isosceles triangle
y-x
equal to the sum of the measures of the remote exterior angles
always positive or zero
25. B>c+ d>e
no solutions
b+d>c+e
y-x
range of a relation
26. The decrease from x to y
square
x-y
c x (john'S age)
properties of a square
27. 5+3= 3+5 and 5 x 3= 3 x 5
similar triangles
the sum of parts
equal to the sum of the measures of the remote exterior angles
commutative axiom of addition and multiplication
28. y years ago
y-x
-y
trapezoid
null set
29. If two lines are parallel - the slope of one is
1.7
no solutions
equals
equal to the slope of the other
30. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d
trapezoid
the last three numbers are divisible by 8
inverse of a relation
x - y
31. Product of an even number and any other number is
the last three numbers are divisible by 8
even
polygon
range of a relation
32. Parallel and never intersect - they have no solution at all - they are parallel with the same slope
180 degrees
the last digit is either 0 or 5
1/2
inconsistent lines
33. When two parallel lines are crossed by a third straight line (transversal) - then
equal to the slope of the other
coinciding lines
all acute angles are equal and all obtuse angles are equal
y-x
34. V10
3.16
quadratic equations
v2/2 or .71
standard deviation
35. 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.
equal to the slope of the other
(y-x/x)100
altitude of a triangle
negative
36. In a triangle - the greatest angles lies
opposite the greatest side
pythagorean theorem
expression of an even number
the last two digits of the number make a number that is divisible by 4
37. 180°
straight angle
v3/2 or .87
chord
x and y
38. x/100
is a subset of
x percent
then side b > side a
perpendicular bisectors
39. 7-24-25
1/2
xy + xz
vertical angles
right triangle
40. 8-15-17
xy + xz
find the intersection of two sets
right triangle
approx square roots
41. 1-1-1 (60-60-60)
equilateral triangle
the sum of its digits is divisible by 9
simultaneous equations
isosceles
42. If under the operation - any two members of the set constitute an element of the set ( * the product of the elements multiplied by themselves must also be an element of the set*)
x>y
combinations
closed set
all acute angles are equal and all obtuse angles are equal
43. 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
x²-y²
properties of a square
parallelogram
1/2
44. Any arc length is less than
one solution
then side b > side a
360 degrees
belongs to
45. 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
supplementary angles
approx sums
itself
180 degrees
46. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication
isosceles triangle
Axioms
odd
x>y
47. 1-v3- 2 (90-30-60)
v2/2 or .71
1.7
consistent lines
right triangle
48. Ax= by + C
the last two digits of the number make a number that is divisible by 4
simultaneous equations in 2 unknowns
combinations
all acute angles are equal and all obtuse angles are equal
49. Sin 60°
inconsistent lines
v3/2 or .87
equal
x>y and y>z
50. ? if a side is equal to b side then - the opposite corresponding angles are
v2/2 or .71
v3/2 or .87
equal
1/2