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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. Of
x - y
hemisphere
times
a+b+d=c+d
2. 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
finding the union of sets
reflex angle
v(x2-x1)²+ (y2-y1)²
straight angle
3. 90°
b+d>c+e
equal to the sum of the measures of the remote exterior angles
1
right angle
4. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other
vertical angles
1.4
x and y
y-x
5. Any line that connects two points on a circle.
xy>0
chord
semicircle
properties of parallelograms
6. 1. square all choices given 2. select the closes choice that is too large and the one that is too small. 3. find the average of the two choices (not of the squares) 4. square the average - if it is greater than the original number - choose the lower
right triangle
acute angle
x²+ 2xy+y²
approx square roots
7. A/A¹ = B/B¹= C/C¹
similar triangles
isosceles triangle
area of a triangle
b+d>c+e
8. Volume=lwh surface area= 2wh + 2hl + 2lw
a?n
equals
similar triangles
rectangular solid
9. A¹
a
angle bisector
polygon
diagonal of a square
10. xn<0 if n is odd and xn>0 if n is even
x<0
inconsistent lines
null set
22/7 or 3.14
11. ?
x+y/xy
hexagon
no solutions
and
12. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
implies
right triangle
the last two digits of the number make a number that is divisible by 4
greater than c
13. 1-1-1 (60-60-60)
set
rectangle
equilateral triangle
equal angles
14. The sume of x and y
and
x + y
right triangle
angle bisector
15. Sin 45°
n percent greater than x
v2/2 or .71
right triangle
always positive or zero
16. Less than 90°
sphere
relation
triangle or straight line
acute angle
17. 2k
x-y/xy
semicircle
22/7 or 3.14
expression of an even number
18. ?
the percent of decrease
perpendicular
straight angle
all acute angles are equal and all obtuse angles are equal
19. The product of an odd number of negative numbers is
right triangle
negative
x<0 and z=x+y
associative axiom of addition and multiplication
20. The distance between two parallel lines or from a point to a line always means
consistent lines
x is greater than y
the perpendicular distance
belongs to
21. Any integer is divisible by 9 - if
the percent of increase
similar triangles
the sum of its digits is divisible by 9
right triangle
22. x > y or y< x
180 degrees
inverse of a relation
x is greater than y
x - y
23. Have two equal sides and two equal angles formed by the equal sides and the unequal side.
c x (john'S age)
permutations
hemisphere
isosceles triangle
24. V2
1.4
equal
the third side
x²-2xy+y²
25. 9-40-41
Axioms
right triangle
set
negative reciprocal of the other
26. A subset of a set is
cylinder
a set
the last two digits of the number make a number that is divisible by 4
rectangle
27. Area = ?r² circumference(perimeter)= 2?r
it is also divisible by 2 and 3
rectangle
combinations
circle
28. 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}
x>y
when finding a solution set
perpendicular
the percent of decrease
29. 1-1-v2 (90-45-45)
it is also divisible by 2 and 3
standard deviation
right triangle
x>y and y>z
30. ?if y angle< x angle - then
x>y and w>z
equilateral triangle
a side< b side
the last digit is 0
31. Is the set of the second components of the ordered pairs
equal to the slope of the other
range of a relation
isosceles triangle
the third side
32. If y²= x - then y =
never divide by zero
equal to the sum of the measures of the remote exterior angles
±vx
x-y
33. 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
n= mx/100
is a subset of
it is also divisible by 2 and 3
coinciding lines
34. 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
closed set
obtuse angle
properties of a square
n percent greater than x
35. x>z
w>0 and x>y
x>y and y>z
right triangle
reflex angle
36. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²
x + y
pythagorean theorem
right triangle
similar triangles
37. The point where the line crosses the y-axis - x will always = 0 in this case
equal to the slope of the other
right angle
y intercept
associative axiom of addition and multiplication
38. (x+y) (x-y)
x²-y²
180 degrees
chord
x-y/xy
39. Integer is divisible by 2
isosceles triangle
if the last digit of the number is 0 -2 -4 -6 -8
perpendicular bisectors
x²+ 2xy+y²
40. 1-v3- 2 (90-30-60)
vertical angles
rectangular solid
a?n
right triangle
41. The difference between x and y
x - y
equal
similar triangles
parallelogram
42. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
hemisphere
approx sums
angle inscribed in semicircle
x + y
43. In transversals
slope of a line joining two points
c x (john'S age)
semicircle
all acute angles are equal and all obtuse angles are equal
44. B²-4ac = 0 there is
one solution
n= mx/100
simultaneous equations
approx sums
45. 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.
+y
chord
altitude of a triangle
polygon
46. 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
semicircle
parallel
properties of a rhombus
the perpendicular distance
47. y years ago
-y
probability
it is also divisible by 2 and 3
coinciding lines
48. A line that is perpendicular to a radius and that passes through only one point of the circle.
similar triangles
tangent
equal to the sum of the measures of the remote exterior angles
x-y/xy
49. Two tangents to a circle from the same point outside of the circle are always
consistent lines
1.7
equilateral triangle
equal
50. The decrease from x to y
approx sums
x-y
then side b > side a
y-x