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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. Wx<wy
relation
xy< 0
w<0 and x>y
x%
2. Set of solutions to an equation
solution set
a side< b side
it is also divisible by 2 and 3
radius
3. Any integer is divisible by 6 if
belongs to
the sum of its digits is divisible by 3
it is also divisible by 2 and 3
perpendicular bisectors
4. 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}
when finding a solution set
greater than c
x and y
b+d>c+e
5. A+b=c+ d=d
combinations
xy
a+b+d=c+d
180 degrees
6. 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
b+d>c+e
properties of a rectangle
1 - 3 - 5 - 7 - 9
hemisphere
7. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a
quadratic equations
never divide by zero
trapezoid
parallel
8. Any arc length is less than
hexagon
set
right triangle
360 degrees
9. The percent decrease from x to y ( y<x)
n percent greater than x
180 degrees
(x-y/x)100
x is less than y
10. All even numbers end in the digits of
+y
x>y
0 - 2 - 4 - 6 - 8
all acute angles are equal and all obtuse angles are equal
11. N is what % of m
always positive or zero
quadratic equations
right triangle
n= mx/100
12. C times as old as john
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on line
183
13. (x1+ x2/2) - (y1+y2/2) Each coordinate of the midpoint is equal to the average of the corresponding cordinates of the endpoints
find the intersection of two sets
inscribed angle
equal
midpoint of a line segment joining 2 parts
14. ?
xy< 0
angle
perpendicular
w<0 and x>y
15. 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
negative reciprocal of the other
combinations
1 - 3 - 5 - 7 - 9
approx products
16. If b²-4ac > 0 there are
two solutions
slope of a line joining two points
1.4
the sum of parts
17. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication
y angle< x angle
simultaneous equations
Axioms
when finding a solution set
18. x younger than y
closed set
x - y
b+d>c+e
perpendicular bisectors
19. Product of an even number and any other number is
n percent less than x
w>0 and x>y
even
the percent of increase
20. 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)
even
angle a and angle b = angle d
xy-xz
x-y
21. Is the set of the second components of the ordered pairs
similar triangles
range of a relation
a<x<b
3.16
22. A°
equal
percent
3.16
1
23. Diagonal= sv2
diagonal of a square
x + y
right triangle
x intercept
24. 3-4-5
right triangle
360 degrees
equal
the sum of its digits is divisible by 9
25. Is a subset of every set
null set
x>y and w>z
x-y/xy
xy>0
26. The measure of an interior angle is
right triangle
equal to the sum of the measures of the remote exterior angles
standard deviation
v(x2-x1)²+ (y2-y1)²
27. The sum of any two sides of a triangle is greater than
x is less than y
the third side
-y
a<x<b
28. The angles opposite to sides that are equal in length have
360 degrees
standard deviation
equal angles
parallelogram
29. The sum of the interior angles is
a
x is greater than y
probability
180 degrees
30. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)
xy-xz
solution set
v(x2-x1)²+ (y2-y1)²
the sum of parts
31. The decrease from x to y
midpoint of a line segment joining 2 parts
x-y
vertical angles
x>y
32. V3
negative
relation
a
1.7
33. ?
x²-2xy+y²
implies
180 degrees
cube
34. x - (n/100)x
the last three numbers are divisible by 8
x+y/xy
n percent less than x
inscribed angle
35. When two parallel lines are crossed by a third straight line (transversal) - then
equal
expression of an odd number
right triangle
all acute angles are equal and all obtuse angles are equal
36. 2k + 1
x + y
x and y
expression of an odd number
x>y
37. If two lines are parallel - the slope of one is
equal to the slope of the other
triangle or straight line
inconsistent lines
semicircle
38. (sum of individual quantities or measures/ total number of quantities or measures)
opposite the greatest side
slope of a line joining two points
average
any variable
39. B²-4ac = 0 there is
angle inscribed in semicircle
average
cylinder
one solution
40. 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.
xy< 0
xy + xz
(y-x/x)100
regular polygon properties
41. Volume= 4/3?r² surface area= 4?r²
sphere
angle a and angle b = angle d
hexagon
x<0
42. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²
then side b > side a
the last two digits of the number make a number that is divisible by 4
midpoint of a line segment joining 2 parts
pythagorean theorem
43. Any number squared or raised to an even power is
n= mx/100
always positive or zero
x>y
parallelogram
44. The product of an odd number of negative numbers is
solution set
x>y
negative
hemisphere
45. One angle is equal 90° and the other two angles are equal to the sum of 90°
one solution
right triangle
cube
(x/100)m= n
46. A pair of equations in two unknowns (each is graphed seperately and each is represented by a straight line)
negative
simultaneous equations
cylinder
triangle
47. Any integer is divisible by 4 - if
probability
relation
the last two digits of the number make a number that is divisible by 4
when finding a solution set
48. Any integer is divisible by 10 - if
and
xy>0
simultaneous equations
the last digit is 0
49. ? if a side is equal to b side then - the opposite corresponding angles are
hemisphere
equal
a<x<b
similar triangles
50. 90°
right angle
when finding a solution set
approx sums
xy
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