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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. Is always a right angle.
angle inscribed in semicircle
probability
xy>0
always positive or zero
2. ?
implies
diameter of circle
1/2
the perpendicular distance
3. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
hemisphere
y-x
area of a triangle
the sum of parts
4. ?
odd
and
vertical angles
angle a and angle b = angle d
5. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases
cylinder
diagonal of a square
1/2
(x/100)m= n
6. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)
v(x2-x1)²+ (y2-y1)²
positive
inconsistent lines
square
7. Sum of two odd numbers is
even
circle
right triangle
positive
8. 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
belongs to
approx products
solution set
simultaneous equations in 2 unknowns
9. The point where the line crosses the x-axis - y will always = 0 in this case
approx square roots
null set
no solutions
x intercept
10. The product of x and y
regular polygon properties
±vx
inconsistent lines
xy
11. Any line that connects two points on a circle.
chord
supplementary angles
angle
v2/2 or .71
12. x + (n/100)x
x is less than y
belongs to
n percent greater than x
x-y/xy
13. 1/x + 1/y x -y ? 0
x+y/xy
diameter of circle
hexagon
slope of a line joining two points
14. ?
180 degrees
xy< 0
x-y/xy
or
15. If the base angles of a triangle are equal - the triangle is
x is less than y
isosceles
average
range of a relation
16. The angles opposite to sides that are equal in length have
right triangle
all acute angles are equal and all obtuse angles are equal
odd
equal angles
17. 5+3= 3+5 and 5 x 3= 3 x 5
solution set
diameter of circle
properties of parallelograms
commutative axiom of addition and multiplication
18. Ax= by + C
x is greater than y
b is the y-intercept
y angle< x angle
simultaneous equations in 2 unknowns
19. Sum of two even numbers is
acute angle
w<0 and x>y
even
right triangle
20. z>y
diameter
b+d>c+e
x<0 and z=x+y
properties of a rectangle
21. The decrease from x to y
right triangle
circle
or
x-y
22. 1/2d
if two sets have no elements in common
radius
radius of a circle
midpoint of a line segment joining 2 parts
23. 180°
isosceles triangle
triangle or straight line
two solutions
-y
24. Are the lines drawn from each vertex to the midpoint of its opposite side. they cross at a point that divides each individual ______into two parts.
all acute angles are equal and all obtuse angles are equal
medians of a triangle
1.7
inconsistent lines
25. C²= a²+b² and angle x and y are equal to 90°
right triangle
solution set
x>y
central angle
26. The measure of an interior angle is
equal to the sum of the measures of the remote exterior angles
regular polygon properties
distributive axiom
y-x
27. x > y or y< x
x is greater than y
then side b > side a
x<0 and z=x+y
x intercept
28. Intersect at only one point - the point is the only solution to the pair of equations
0 - 2 - 4 - 6 - 8
approx products
-y
consistent lines
29. In transversals
equal angles
properties of a rhombus
-y
all acute angles are equal and all obtuse angles are equal
30. 1/2bh
triangle or straight line
area of a triangle
right triangle
x-y/xy
31. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
semicircle
when finding a solution set
no solutions
expression of an odd number
32. (x+y)(x+y)= (x+y)²
x + y
the last digit is 0
360 degrees
x²+ 2xy+y²
33. 8-15-17
radius
right triangle
range of a relation
never divide by zero
34. 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)
(y-x/x)100
approx square roots
the perpendicular distance
angle a and angle b = angle d
35. (x+y) (x-y)
any variable
straight angle
x²-y²
diagonal of a square
36. Write down every member in one or both of the sets - the union of two sets is a new set. the union of set A and B is written as A?B
a<x<b
finding the union of sets
null set
even
37. Any integer is divisible by 8 if
x%
area of a triangle
x+y/xy
the last three numbers are divisible by 8
38. (amount of decrease/original amount) x 100
the percent of decrease
standard deviation
xy-xz
hexagon
39. 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
even
1 - 3 - 5 - 7 - 9
right triangle
40. x < y or y> x
x is less than y
22/7 or 3.14
reflex angle
combinations
41. The quotient of any quantity (except 0) divided by zero is infinity
the square of x
one solution
never divide by zero
polygon
42. A pair of equations in two unknowns (each is graphed seperately and each is represented by a straight line)
simultaneous equations
Axioms
equal angles
itself
43. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other
relation
w>0 and x>y
parallel
vertical angles
44. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²
if the last digit of the number is 0 -2 -4 -6 -8
perpendicular bisectors
pythagorean theorem
domain of a relation
45. The distance from the center of the circle
radius
isosceles
x - y
approx square roots
46. Any integer is divisible by 5 if
x>y and y>z
xy + xz
b+d>c+e
the last digit is either 0 or 5
47. The case where the two equations are equivalent (just two different forms of the same mathematical relation). Any point that satisfies either of the equations - automatically satisfies both
the square of x
x+y/xy
diameter
coinciding lines
48. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)
set
right triangle
supplementary angles
the sum of its digits is divisible by 3
49. Is the set of the first components of the ordered pairs.
altitude of a triangle
domain of a relation
combinations
midpoint of a line segment joining 2 parts
50. V3
1.7
x + y
0 - 2 - 4 - 6 - 8
odd