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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. x>0 and y<0 or x<0 and y >0
radius of a circle
x + y
xy< 0
inconsistent lines
2. Less than 90°
solution set
acute angle
1
even
3. (x+y)(x+y)= (x+y)²
expression of an odd number
is a subset of
x²+ 2xy+y²
hexagon
4. ?
circle
even
and
right angle
5. Is a subset of every set
0 - 2 - 4 - 6 - 8
equal
null set
greater than c
6. z>y
x<0 and z=x+y
implies
x²-2xy+y²
trapezoid
7. ?
triangle
22/7 or 3.14
right triangle
n percent less than x
8. Side a +side b of a ? is
n= mx/100
expression of an even number
null set
greater than c
9. If b²-4ac < 0 - there are
no solutions
similar triangles
midpoint of a line segment joining 2 parts
1.4
10. (sum of individual quantities or measures/ total number of quantities or measures)
average
a?n
xy + xz
xy-xz
11. Set of solutions to an equation
the sum of its digits is divisible by 9
closed set
x is greater than y
solution set
12. 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}
supplementary angles
when finding a solution set
angle a and angle b = angle d
a side< b side
13. ?
angle bisector
simultaneous equations in 2 unknowns
any variable
perpendicular
14. Is the relation with ALL ordered pairs REVERSED.
parallel
y intercept
0 - 2 - 4 - 6 - 8
inverse of a relation
15. The difference between x and y
x - y
isosceles triangle
null set
times
16. Area= 1/2bh perimeter= a+b+c
triangle
is a subset of
equals
reflex angle
17. xn<0 if n is odd and xn>0 if n is even
0 - 2 - 4 - 6 - 8
x is less than y
x<0
v3/2 or .87
18. A+b=c+ d=d
w<0 and x>y
radius
a+b+d=c+d
xy-xz
19. 90°
right triangle
expression of an odd number
(x-y/x)100
right angle
20. The product of an even number of negative numbers is
the last digit is either 0 or 5
positive
x percent
the third side
21. Angle whose sides are two radii of the circle. The vertex of this angle is the center of the circle. The number of degrees is equal to the amount of arc length that the radd intercept.
area of a triangle
central angle
isosceles triangle
right angle
22. Product of an even number and any other number is
negative
xy< 0
times
even
23. 180°
even
1
straight angle
360 degrees
24. 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.
odd
angle bisector
180 degrees
xy
25. C²= a²+b² and angle x and y are equal to 90°
the sum of its digits is divisible by 9
inscribed angle
hexagon
right triangle
26. x less than y
y-x
chord
supplementary angles
closed set
27. Area = ?r² circumference(perimeter)= 2?r
always positive or zero
circle
(x/100)m= n
even
28. V3
+y
regular polygon properties
x percent
1.7
29. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB
triangle or straight line
find the intersection of two sets
combinations
inverse of a relation
30. Wx>wy
w>0 and x>y
xy + xz
y-x
right triangle
31. Wx<wy
triangle
a
w<0 and x>y
(y-x/x)100
32. Area= bh perimeter= 2a +2b
parallelogram
0 - 2 - 4 - 6 - 8
x>y and w>z
rectangular solid
33. (x-y)(x-y) = (x-y)²
n percent greater than x
inscribed angle
rectangle
x²-2xy+y²
34. Sin 30°
or
1/2
the percent of decrease
all acute angles are equal and all obtuse angles are equal
35. The distance from the center of the circle
c x (john'S age)
angle a and angle b = angle d
radius
negative reciprocal of the other
36. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication
1 - 3 - 5 - 7 - 9
domain of a relation
Axioms
right triangle
37. 5+3= 3+5 and 5 x 3= 3 x 5
commutative axiom of addition and multiplication
equilateral triangle
right triangle
v3/2 or .87
38. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a
right triangle
if the last digit of the number is 0 -2 -4 -6 -8
quadratic equations
x>y and w>z
39. V2/2- v2/2 - 1 (90-45-45)
360 degrees
medians of a triangle
isosceles triangle
area of a triangle
40. 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)
combinations
inconsistent lines
angle bisector
xy-xz
41. Integer is divisible by 2
rectangle
if the last digit of the number is 0 -2 -4 -6 -8
x>y
equilateral triangle
42. x - (n/100)x
radius
n percent less than x
x is greater than y
angle a and angle b = angle d
43. The product of x and y
negative
xy
two solutions
simultaneous equations
44. x + (n/100)x
right triangle
the percent of decrease
n percent greater than x
angle bisector
45. M= y2-y1/x2-x1
slope of a line joining two points
x + y
180 degrees
negative reciprocal of the other
46. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)
associative axiom of addition and multiplication
+y
supplementary angles
the last digit is 0
47. 1/an
x-y
the last three numbers are divisible by 8
a?n
belongs to
48. 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)
and
xy
solution set
angle a and angle b = angle d
49. The quotient of any quantity (except 0) divided by zero is infinity
never divide by zero
triangle or straight line
x<0
equilateral triangle
50. All odd numbers end in the digits of
reflex angle
a relation is a function
y angle< x angle
1 - 3 - 5 - 7 - 9