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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. 1/2bh
area of a triangle
right triangle
rectangle
22/7 or 3.14
2. Is the relation with ALL ordered pairs REVERSED.
x+y/xy
a<x<b
one solution
inverse of a relation
3. Area= s² perimeter= 4s
square
null set
equal to the sum of the measures of the remote exterior angles
x²-2xy+y²
4. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
hemisphere
equal to the sum of the measures of the remote exterior angles
belongs to
x>y and w>z
5. 360°
approx sums
equilateral triangle
circle
y intercept
6. 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)
right triangle
angle a and angle b = angle d
right triangle
x<0
7. 9-40-41
right triangle
diameter of circle
diagonal of a square
inscribed angle
8. Between 180° and 360°
semicircle
reflex angle
right triangle
right triangle
9. The whole equals
angle a and angle b = angle d
the sum of parts
x is greater than y
simultaneous equations in 2 unknowns
10. 8-15-17
relation
never divide by zero
greater than c
right triangle
11. The decrease from x to y
3.16
x-y
reflex angle
a relation is a function
12. Then their intersection is the null or empty set - written as Ø
1 - 3 - 5 - 7 - 9
x²-2xy+y²
if two sets have no elements in common
combinations
13. V10
right angle
3.16
(y-x/x)100
isosceles triangle
14. 2k + 1
even
belongs to
tangent
expression of an odd number
15. Any line that connects two points on a circle.
always positive or zero
the sum of its digits is divisible by 9
chord
odd
16. (sum of individual quantities or measures/ total number of quantities or measures)
average
right triangle
the perpendicular distance
is a subset of
17. Area = ?r² circumference(perimeter)= 2?r
relation
360 degrees
-y
circle
18. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other
vertical angles
b+d>c+e
0 - 2 - 4 - 6 - 8
a relation is a function
19. 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
commutative axiom of addition and multiplication
negative reciprocal of the other
finding the union of sets
right triangle
20. x>z
x>y and y>z
trapezoid
belongs to
simultaneous equations in 2 unknowns
21. 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}
the last digit is 0
when finding a solution set
x + y
expression of an even number
22. 2k
x>y and w>z
combinations
y intercept
expression of an even number
23. x+w> y+z
x + y
x>y and w>z
a<x<b
the last two digits of the number make a number that is divisible by 4
24. B²-4ac = 0 there is
x>y and w>z
one solution
triangle
always positive or zero
25. (x+y) (x-y)
w>0 and x>y
v2/2 or .71
x²-y²
supplementary angles
26. If b²-4ac < 0 - there are
right triangle
no solutions
vertical angles
the last two digits of the number make a number that is divisible by 4
27. 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 -
x>y and w>z
expression of an odd number
midpoint of a line segment joining 2 parts
determining if a number is prime
28. 5+3= 3+5 and 5 x 3= 3 x 5
x and y
a+b+d=c+d
commutative axiom of addition and multiplication
combinations
29. 1/y-1/x x -y ? 0
diameter
square
x-y/xy
xy>0
30. Angles directly across each other are equal
vertical angles
1
polygon
b is the y-intercept
31. The product of an odd number of negative numbers is
the percent of increase
negative
xy>0
x²+ 2xy+y²
32. Area= bh perimeter= 2a +2b
hemisphere
3.16
parallelogram
radius
33. 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
properties of a rectangle
right triangle
similar triangles
right triangle
34. x + (n/100)x
n percent greater than x
times
x>y>0 and w>z>0
n= mx/100
35. If two lines are parallel - the slope of one is
equal to the slope of the other
equal
and
x<0
36. Is - as - was - has - cost
3.16
xy + xz
equals
area of a triangle
37. Diagonal= sv2
equal to the slope of the other
coinciding lines
equal to the sum of the measures of the remote exterior angles
diagonal of a square
38. ?
1.7
angle
tangent
commutative axiom of addition and multiplication
39. Side a +side b of a ? is
perpendicular
greater than c
consistent lines
never divide by zero
40. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
find the intersection of two sets
sphere
semicircle
tangent
41. 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
negative
coinciding lines
equal to the slope of the other
odd
42. The increase from x to y
pythagorean theorem
y-x
properties of a square
two solutions
43. 1-v3- 2 (90-30-60)
the square of x
xy + xz
consistent lines
right triangle
44. Every set is a subset of
22/7 or 3.14
itself
null set
equal angles
45. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d
xy-xz
x+y/xy
180 degrees
trapezoid
46. The lines that divide each angle of the triangle into two equal parts. these lines meet in a point that is the center of a circle inscribed in the triangle.
angle bisector
x<0 and z=x+y
domain of a relation
medians of a triangle
47. V2/2- v2/2 - 1 (90-45-45)
isosceles triangle
circle
x%
simultaneous equations
48. The measure of an interior angle is
equal to the sum of the measures of the remote exterior angles
acute angle
rectangle
any variable
49. z>y
semicircle
times
y-x
x<0 and z=x+y
50. (x1+ x2/2) - (y1+y2/2) Each coordinate of the midpoint is equal to the average of the corresponding cordinates of the endpoints
midpoint of a line segment joining 2 parts
simultaneous equations
(x-y/x)100
x>y
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