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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 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.
hexagon
angle bisector
rectangular solid
any variable
2. Volume= e(edge)³ surface area= 6e²
cube
x - y
parallel
itself
3. The measure of an interior angle is
equal to the sum of the measures of the remote exterior angles
quadratic equations
percent
trapezoid
4. V3
is a subset of
negative
x + y
1.7
5. The product of x and y
xy
right triangle
simultaneous equations in 2 unknowns
diameter of circle
6. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d
trapezoid
360 degrees
commutative axiom of addition and multiplication
x>y
7. ? if a side < b side - then
(x-y/x)100
central angle
y angle< x angle
odd
8. V2
properties of a square
altitude of a triangle
n percent greater than x
1.4
9. x>0 and y<0 or x<0 and y >0
right triangle
the percent of decrease
xy< 0
v3/2 or .87
10. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases
set
(y-x/x)100
cylinder
consistent lines
11. 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}
finding the union of sets
diameter
x>y and w>z
when finding a solution set
12. ?
acute angle
polygon
implies
1.7
13. 3-4-5
right triangle
equilateral triangle
hemisphere
equilateral triangle
14. 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)
one solution
x + y
quadratic equations
probability
15. The product of an even number of negative numbers is
positive
even
find the intersection of two sets
rectangle
16. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a
inverse of a relation
x>y
quadratic equations
diagonal of a square
17. Any number squared or raised to an even power is
quadratic equations
a
belongs to
always positive or zero
18. The distance between two parallel lines or from a point to a line always means
360 degrees
the perpendicular distance
itself
or
19. x>0 and y>0 or x<0 and y<0
hemisphere
right triangle
xy>0
xy
20. What % of m is n
3.16
xy-xz
(x/100)m= n
domain of a relation
21. ?
y angle< x angle
when finding a solution set
is a subset of
no solutions
22. (sum of individual quantities or measures/ total number of quantities or measures)
average
22/7 or 3.14
the sum of its digits is divisible by 9
properties of a square
23. A chord through the center of the circle
the square of x
properties of a rhombus
diameter
1.4
24. 2k + 1
xy>0
expression of an odd number
x - y
quadratic equations
25. y years ago
negative reciprocal of the other
-y
a set
parallelogram
26. 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
similar triangles
the square of x
supplementary angles
27. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication
(x-y/x)100
standard deviation
Axioms
the last two digits of the number make a number that is divisible by 4
28. ?if y angle< x angle - then
a side< b side
the square of x
consistent lines
a<x<b
29. xn<0 if n is odd and xn>0 if n is even
find the intersection of two sets
area of a triangle
x<0
b+d>c+e
30. 1-v3- 2 (90-30-60)
one solution
y angle< x angle
never divide by zero
right triangle
31. x(y+z)
x>y>0 and w>z>0
right triangle
x intercept
xy + xz
32. Parallel and never intersect - they have no solution at all - they are parallel with the same slope
vertical angles
if the last digit of the number is 0 -2 -4 -6 -8
inconsistent lines
if two sets have no elements in common
33. The point where the line crosses the y-axis - x will always = 0 in this case
y intercept
x>y and w>z
equal
xy< 0
34. 1/2d
isosceles
x - y
determining if a number is prime
radius of a circle
35. Diagonals divide into 6 equilateral triangles - the sides are equal to the sides of the ________. if inscribed in a circle - the length of each side is equal to the length of the radius of the circle.
hexagon
combinations
right triangle
x and y
36. x > y or y< x
right triangle
right triangle
x is greater than y
regular polygon properties
37. If b²-4ac > 0 there are
trapezoid
medians of a triangle
rectangle
two solutions
38. 360°
inscribed angle
circle
x percent
perpendicular
39. M= y2-y1/x2-x1
slope of a line joining two points
equal angles
angle bisector
vertical angles
40. x older than y
range of a relation
equals
x + y
relation
41. x²
x+y/xy
the square of x
all acute angles are equal and all obtuse angles are equal
1
42. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)
v2/2 or .71
n= mx/100
+y
associative axiom of addition and multiplication
43. ?
belongs to
equal
diagonal of a square
x²+ 2xy+y²
44. x less than y
y-x
a relation is a function
two solutions
x-y
45. 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
it is also divisible by 2 and 3
greater than c
approx products
Axioms
46. x + y
equal to the sum of the measures of the remote exterior angles
greater than c
right triangle
x and y
47. 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
+y
approx sums
pythagorean theorem
x²-y²
48. C²= a²+b² and angle x and y are equal to 90°
0 - 2 - 4 - 6 - 8
odd
1.7
right triangle
49. A pair of equations in two unknowns (each is graphed seperately and each is represented by a straight line)
simultaneous equations
right triangle
equilateral triangle
probability
50. The angles opposite to sides that are equal in length have
properties of a square
then side b > side a
properties of parallelograms
equal angles