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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. x²
approx sums
the square of x
circle
x>y and y>z
2. B²-4ac = 0 there is
v3/2 or .87
inscribed angle
x>y and y>z
one solution
3. The angles opposite to sides that are equal in length have
right triangle
equal
equal angles
hemisphere
4. What % of m is n
1 - 3 - 5 - 7 - 9
equal to the sum of the measures of the remote exterior angles
(x/100)m= n
the last three numbers are divisible by 8
5. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other
properties of a rectangle
one solution
opposite the greatest side
vertical angles
6. A°
greater than c
expression of an even number
equilateral triangle
1
7. Volume=lwh surface area= 2wh + 2hl + 2lw
simultaneous equations in 2 unknowns
x>y
rectangular solid
even
8. x +z > y+z
closed set
parallelogram
x>y
the third side
9. If the base angles of a triangle are equal - the triangle is
Axioms
isosceles
implies
x + y
10. Any integer is divisible by 4 - if
angle inscribed in semicircle
the last two digits of the number make a number that is divisible by 4
right triangle
the percent of decrease
11. 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
commutative axiom of addition and multiplication
relation
associative axiom of addition and multiplication
properties of a rectangle
12. 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
properties of parallelograms
n= mx/100
the last three numbers are divisible by 8
commutative axiom of addition and multiplication
13. 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
area of a triangle
properties of a rhombus
consistent lines
equilateral triangle
14. The sum of any two sides of a triangle is greater than
1 - 3 - 5 - 7 - 9
parallelogram
x + y
the third side
15. A pair of equations in two unknowns (each is graphed seperately and each is represented by a straight line)
simultaneous equations
odd
reflex angle
the percent of decrease
16. (sum of individual quantities or measures/ total number of quantities or measures)
x<0
average
parallel
b+d>c+e
17. One angle is equal 90° and the other two angles are equal to the sum of 90°
when finding a solution set
right triangle
angle
v3/2 or .87
18. The product of x and y
average
xy
polygon
when finding a solution set
19. 1/2d
xy< 0
triangle
radius of a circle
square
20. All sides are equal and all of whose angles are equal. 1. can be inscribed in a circle and can be circumscribed about another circle. 2. each angle is equal to the sum of the angles divided by the number of sides 180(n-2)°/n.
then side b > side a
altitude of a triangle
properties of a square
regular polygon properties
21. 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
associative axiom of addition and multiplication
pythagorean theorem
a<x<b
22. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
it is also divisible by 2 and 3
semicircle
and
rectangle
23. 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
all acute angles are equal and all obtuse angles are equal
coinciding lines
xy-xz
x>y
24. x/100
null set
1.7
properties of a rectangle
x percent
25. The increase from x to y
y-x
when finding a solution set
right triangle
greater than c
26. x(y-z)
all acute angles are equal and all obtuse angles are equal
diagonal of a square
circle
xy-xz
27. 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)
right triangle
x²-y²
combinations
no solutions
28. ?
right triangle
belongs to
solution set
the third side
29. y years from now
midpoint of a line segment joining 2 parts
angle bisector
negative
+y
30. (x+y) (x-y)
y intercept
consistent lines
acute angle
x²-y²
31. In a triangle - if ?c(interior angle in triangle) and ?d(exterior angle out of triangle) are supplmentary angles - than ?a and ?b are remote interior angles to <d - thus - a +b+c = 180 (triangle) c+d = 180 (supplementary angles)
inverse of a relation
b+d>c+e
the percent of increase
angle a and angle b = angle d
32. 360°
diameter of circle
domain of a relation
circle
diameter
33. The distance between two parallel lines or from a point to a line always means
the perpendicular distance
the last digit is 0
vertical angles
all acute angles are equal and all obtuse angles are equal
34. 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)
equal to the slope of the other
a side< b side
probability
-y
35. Every set is a subset of
x is less than y
properties of a rhombus
x-y/xy
itself
36. The point where the line crosses the x-axis - y will always = 0 in this case
x intercept
closed set
angle bisector
angle inscribed in semicircle
37. (x-y)(x-y) = (x-y)²
pythagorean theorem
x²-2xy+y²
all acute angles are equal and all obtuse angles are equal
equal angles
38. 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
set
equal
properties of a square
percent
39. Any arc length is less than
x - y
360 degrees
consistent lines
greater than c
40. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)
set
when finding a solution set
1
two solutions
41. 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*)
closed set
the sum of its digits is divisible by 9
consistent lines
area of a triangle
42. (amount of decrease/original amount) x 100
y-x
radius of a circle
the percent of decrease
right triangle
43. Integer is divisible by 2
right triangle
positive
x%
if the last digit of the number is 0 -2 -4 -6 -8
44. 1/x + 1/y x -y ? 0
x - y
x+y/xy
even
negative reciprocal of the other
45. (x1+ x2/2) - (y1+y2/2) Each coordinate of the midpoint is equal to the average of the corresponding cordinates of the endpoints
even
x%
is a subset of
midpoint of a line segment joining 2 parts
46. When two parallel lines are crossed by a third straight line (transversal) - then
the percent of increase
the square of x
all acute angles are equal and all obtuse angles are equal
1/2
47. N is what % of m
n= mx/100
xy-xz
expression of an odd number
properties of a rectangle
48. Area = ?r² circumference(perimeter)= 2?r
circle
distributive axiom
x²-y²
properties of a square
49. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3
right angle
supplementary angles
one solution
equilateral triangle
50. Any integer is divisible by 6 if
it is also divisible by 2 and 3
greater than c
0 - 2 - 4 - 6 - 8
the last two digits of the number make a number that is divisible by 4
Sorry!:) No result found.
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