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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. 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
any variable
even
negative
2. Sin 45°
v2/2 or .71
x>y
a side< b side
triangle or straight line
3. x(y-z)
altitude of a triangle
right triangle
xy-xz
rectangular solid
4. 90°
right angle
x - y
y angle< x angle
approx products
5. Is - as - was - has - cost
x + y
equals
xy + xz
n= mx/100
6. 1/2bh
null set
the percent of decrease
area of a triangle
y-x
7. x + y
x and y
circle
equilateral triangle
coinciding lines
8. y years ago
triangle or straight line
-y
x>y and w>z
n percent greater than x
9. 9-40-41
3.16
±vx
tangent
right triangle
10. 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)
then side b > side a
(y-x/x)100
angle a and angle b = angle d
times
11. 1/2d
cylinder
x<0
n percent greater than x
radius of a circle
12. The whole equals
the sum of parts
-y
straight angle
times
13. 1/y-1/x x -y ? 0
closed set
x-y/xy
approx products
positive
14. Any integer is divisible by 10 - if
1 - 3 - 5 - 7 - 9
diagonal of a square
a+b+d=c+d
the last digit is 0
15. The product of an odd number of negative numbers is
negative
or
radius
angle
16. Area= 1/2bh perimeter= a+b+c
approx products
approx square roots
a
triangle
17. y years from now
1.7
slope of a line joining two points
+y
x + y
18. x>0 and y>0 or x<0 and y<0
polygon
right triangle
parallel
xy>0
19. (sum of individual quantities or measures/ total number of quantities or measures)
x+y/xy
percent
average
(x/100)m= n
20. Is the set of the first components of the ordered pairs.
always positive or zero
domain of a relation
then side b > side a
angle inscribed in semicircle
21. The quotient of any quantity (except 0) divided by zero is infinity
b is the y-intercept
combinations
even
never divide by zero
22. x+w> y+z
angle inscribed in semicircle
x>y and w>z
approx square roots
simultaneous equations in 2 unknowns
23. All three sides and all three angles are equal
standard deviation
belongs to
equilateral triangle
supplementary angles
24. Wx>wy
inverse of a relation
w>0 and x>y
3.16
x%
25. 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 -
equals
equilateral triangle
expression of an odd number
determining if a number is prime
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
x²+ 2xy+y²
properties of parallelograms
n percent less than x
1.4
27. The sum of any two sides of a triangle is greater than
the square of x
diameter
and
the third side
28. M= y2-y1/x2-x1
y angle< x angle
slope of a line joining two points
the square of x
determining if a number is prime
29. V2
1.4
percent
perpendicular
the percent of decrease
30. Any integer is divisible by 4 - if
the last two digits of the number make a number that is divisible by 4
right triangle
and
the third side
31. B>c+ d>e
b+d>c+e
right triangle
the sum of its digits is divisible by 3
1 - 3 - 5 - 7 - 9
32. x²
equal angles
right triangle
right triangle
the square of x
33. If b²-4ac > 0 there are
two solutions
±vx
y angle< x angle
angle a and angle b = angle d
34. Between 90° and 180°
obtuse angle
never divide by zero
x intercept
(y-x/x)100
35. Is always a right angle.
angle inscribed in semicircle
a?n
similar triangles
odd
36. Any integer is divisible by 6 if
y-x
right triangle
it is also divisible by 2 and 3
x>y
37. (x+y) (x-y)
consistent lines
x²-y²
angle bisector
commutative axiom of addition and multiplication
38. A chord through the center of the circle
properties of a square
diameter
positive
right triangle
39. Are the lines that bisect and are perpendicular to each of the three sides. The point where they meet is the center of the circumscribed circle.
x>y and y>z
x + y
perpendicular bisectors
supplementary angles
40. Which - what
a set
any variable
permutations
parallel
41. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases
x<0
x + y
x - y
cylinder
42. Every set is a subset of
straight angle
circle
itself
hexagon
43. Sum of two odd numbers is
slope of a line joining two points
even
right triangle
a?n
44. ?if y angle< x angle - then
average
a side< b side
cube
parallelogram
45. Volume=lwh surface area= 2wh + 2hl + 2lw
rectangular solid
all acute angles are equal and all obtuse angles are equal
associative axiom of addition and multiplication
vertical angles
46. Angles that equal 180 degrees
supplementary angles
equal to the slope of the other
simultaneous equations
diagonal of a square
47. 2k + 1
associative axiom of addition and multiplication
a?n
expression of an odd number
x is less than y
48. 3-4-5
parallelogram
right triangle
any variable
cube
49. ?
trapezoid
right triangle
22/7 or 3.14
relation
50. 180°
inscribed angle
straight angle
radius of a circle
acute angle