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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. Integer is divisible by 2
x²-2xy+y²
if the last digit of the number is 0 -2 -4 -6 -8
a?n
coinciding lines
2. The point where the line crosses the y-axis - x will always = 0 in this case
equal angles
y intercept
permutations
x>y and y>z
3. The sum of any two sides of a triangle is greater than
the third side
a<x<b
x - y
straight angle
4. 1-1-1 (60-60-60)
properties of a rhombus
any variable
even
equilateral triangle
5. (x+y) (x-y)
x - y
radius of a circle
the sum of its digits is divisible by 9
x²-y²
6. The distance between two parallel lines or from a point to a line always means
right triangle
combinations
all acute angles are equal and all obtuse angles are equal
the perpendicular distance
7. V2
1.4
xy>0
negative reciprocal of the other
always positive or zero
8. Area= l x w perimeter = (2l)(2w)
v(x2-x1)²+ (y2-y1)²
expression of an even number
approx square roots
rectangle
9. The decrease from x to y
approx sums
isosceles triangle
right triangle
x-y
10. 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.
right triangle
polygon
always positive or zero
square
11. Between 90° and 180°
x intercept
right triangle
trapezoid
obtuse angle
12. A<x and x<b
when finding a solution set
all acute angles are equal and all obtuse angles are equal
hemisphere
a<x<b
13. Is the set of the first components of the ordered pairs.
null set
even
x is less than y
domain of a relation
14. V2/2- v2/2 - 1 (90-45-45)
v2/2 or .71
x>y
equal to the sum of the measures of the remote exterior angles
isosceles triangle
15. 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
right triangle
coinciding lines
equilateral triangle
16. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication
quadratic equations
Axioms
when finding a solution set
medians of a triangle
17. x > y or y< x
perpendicular
x is greater than y
or
diameter
18. x(y-z)
c x (john'S age)
xy-xz
slope of a line joining two points
a
19. Volume= e(edge)³ surface area= 6e²
approx products
combinations
cube
implies
20. (amount of increase/original amount) x 100
3.16
vertical angles
the percent of increase
x<0 and z=x+y
21. ?
perpendicular
(x-y/x)100
domain of a relation
triangle
22. Angle whose sides are two chords. The vertex of the angles lies on the circumference of the circle. The number of degrees of the angle is equal to 1/2 the intercepted arc
inscribed angle
right angle
+y
negative
23. z>y
3.16
standard deviation
x<0 and z=x+y
it is also divisible by 2 and 3
24. Intersect at only one point - the point is the only solution to the pair of equations
times
inscribed angle
right triangle
consistent lines
25. 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.
right triangle
1
reflex angle
angle bisector
26. A+b=c+ d=d
x>y and y>z
polygon
a+b+d=c+d
180 degrees
27. The sume of x and y
angle bisector
approx sums
x + y
right triangle
28. Is always a right angle.
distributive axiom
trapezoid
x intercept
angle inscribed in semicircle
29. If two lines are parallel - the slope of one is
equal to the slope of the other
cylinder
x%
equal to the sum of the measures of the remote exterior angles
30. 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.
right triangle
a+b+d=c+d
perpendicular bisectors
a
31. Wx<wy
w<0 and x>y
x<0 and z=x+y
negative
belongs to
32. The increase from x to y
cylinder
no solutions
y-x
xy + xz
33. Area= s² perimeter= 4s
properties of a rhombus
square
perpendicular bisectors
isosceles
34. x less than y
when finding a solution set
inconsistent lines
y-x
the percent of increase
35. Any arc length is less than
expression of an even number
360 degrees
diagonal of a square
diameter of circle
36. 180°
triangle or straight line
x is greater than y
the percent of increase
cube
37. If y²= x - then y =
cube
isosceles triangle
±vx
approx sums
38. ?
equal angles
rectangular solid
1 - 3 - 5 - 7 - 9
angle
39. Any integer is divisible by 5 if
diagonal of a square
the last digit is either 0 or 5
polygon
x²+ 2xy+y²
40. /100 (the ______ number over 100)
equilateral triangle
percent
implies
no solutions
41. Sum of two even numbers is
even
finding the union of sets
right triangle
closed set
42. Which - what
quadratic equations
1
any variable
x + y
43. A¹
equal to the slope of the other
a+b+d=c+d
a
xy< 0
44. If ?B > ?A - then
central angle
then side b > side a
coinciding lines
if two sets have no elements in common
45. Parallel and never intersect - they have no solution at all - they are parallel with the same slope
parallel
average
1.4
inconsistent lines
46. Side a +side b of a ? is
greater than c
two solutions
right triangle
angle inscribed in semicircle
47. All even numbers end in the digits of
greater than c
0 - 2 - 4 - 6 - 8
the last three numbers are divisible by 8
closed set
48. x²
w>0 and x>y
perpendicular bisectors
the square of x
never divide by zero
49. x+w> y+z
c x (john'S age)
w<0 and x>y
radius
x>y and w>z
50. ?
opposite the greatest side
belongs to
altitude of a triangle
x>y