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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 angles opposite to sides that are equal in length have
associative axiom of addition and multiplication
xy< 0
isosceles triangle
equal angles
2. x>z
the sum of parts
x-y/xy
x>y and y>z
xy< 0
3. 9-40-41
solution set
the last two digits of the number make a number that is divisible by 4
right triangle
22/7 or 3.14
4. A¹
diameter of circle
x²-y²
implies
a
5. V3
radius of a circle
straight angle
any variable
1.7
6. The percent decrease from x to y ( y<x)
(x-y/x)100
the sum of its digits is divisible by 3
x>y
diameter of circle
7. The point where the line crosses the y-axis - x will always = 0 in this case
positive
y intercept
n= mx/100
when finding a solution set
8. Set of solutions to an equation
diameter of circle
find the intersection of two sets
the sum of its digits is divisible by 3
solution set
9. (sum of individual quantities or measures/ total number of quantities or measures)
obtuse angle
commutative axiom of addition and multiplication
average
x>y>0 and w>z>0
10. ?
1 - 3 - 5 - 7 - 9
straight angle
implies
slope of a line joining two points
11. A closed plane whose sides are straight lines. The sum of the angles is equal to 180(n-2) - where n is the number of sides.
a<x<b
(x-y/x)100
polygon
null set
12. ?
reflex angle
one solution
and
is a subset of
13. 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}
a+b+d=c+d
permutations
x + y
when finding a solution set
14. When two parallel lines are crossed by a third straight line (transversal) - then
all acute angles are equal and all obtuse angles are equal
is a subset of
x+y/xy
right triangle
15. The sum of any two sides of a triangle is greater than
the third side
tangent
equal to the slope of the other
obtuse angle
16. Is a subset of every set
chord
right triangle
null set
sphere
17. 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 two pairs of congruent triangles
radius
properties of parallelograms
180 degrees
polygon
18. x + (n/100)x
the square of x
n percent greater than x
hexagon
radius
19. x < y or y> x
x is less than y
belongs to
+y
when finding a solution set
20. Angle whose sides are two chords. The vertex of the angles lies on the circumference of the circle. The number of degrees of the angle is equal to 1/2 the intercepted arc
slope of a line joining two points
inscribed angle
+y
x²-y²
21. xn<0 if n is odd and xn>0 if n is even
x<0
a<x<b
finding the union of sets
equal to the slope of the other
22. (x+y)(x+y)= (x+y)²
the sum of parts
perpendicular bisectors
(x-y/x)100
x²+ 2xy+y²
23. Volume=lwh surface area= 2wh + 2hl + 2lw
right triangle
rectangular solid
x intercept
range of a relation
24. Any integer is divisible by 9 - if
medians of a triangle
similar triangles
the sum of its digits is divisible by 9
polygon
25. x>0 and y>0 or x<0 and y<0
commutative axiom of addition and multiplication
polygon
xy>0
positive
26. If the base angles of a triangle are equal - the triangle is
negative
chord
isosceles
±vx
27. Any integer is divisible by 10 - if
polygon
xy + xz
equal to the sum of the measures of the remote exterior angles
the last digit is 0
28. Angles directly across each other are equal
x>y
finding the union of sets
vertical angles
b is the y-intercept
29. Area= l x w perimeter = (2l)(2w)
rectangle
square
x²-y²
x + y
30. All odd numbers end in the digits of
rectangle
0 - 2 - 4 - 6 - 8
x + y
1 - 3 - 5 - 7 - 9
31. 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
0 - 2 - 4 - 6 - 8
x is greater than y
standard deviation
obtuse angle
32. 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
and
approx products
range of a relation
consistent lines
33. Which - what
vertical angles
chord
a<x<b
any variable
34. 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
belongs to
vertical angles
inconsistent lines
35. N is what % of m
n= mx/100
right triangle
polygon
xy>0
36. One angle is equal 90° and the other two angles are equal to the sum of 90°
tangent
opposite the greatest side
x + y
right triangle
37. Between 180° and 360°
reflex angle
x%
isosceles triangle
hexagon
38. x/100
right triangle
odd
x%
c x (john'S age)
39. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication
Axioms
itself
the last digit is 0
properties of a square
40. If two lines are parallel - the slope of one is
xy
right triangle
equal to the slope of the other
coinciding lines
41. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)
diameter
xy
set
and
42. If b²-4ac < 0 - there are
±vx
is a subset of
no solutions
even
43. Have two equal sides and two equal angles formed by the equal sides and the unequal side.
x + y
polygon
the perpendicular distance
isosceles triangle
44. A+b=c+ d=d
equal to the sum of the measures of the remote exterior angles
the last digit is either 0 or 5
a+b+d=c+d
right triangle
45. The whole equals
the sum of parts
associative axiom of addition and multiplication
x>y and y>z
isosceles triangle
46. The increase from x to y
simultaneous equations
22/7 or 3.14
c x (john'S age)
y-x
47. x younger than y
x - y
the sum of parts
supplementary angles
1/2
48. Any arc length is less than
quadratic equations
triangle
360 degrees
approx products
49. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a
x<0 and z=x+y
two solutions
right triangle
quadratic equations
50. 1/x + 1/y x -y ? 0
x+y/xy
no solutions
standard deviation
x + y