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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. x²
the square of x
or
right triangle
0 - 2 - 4 - 6 - 8
2. When the elements of a set are ordered pairs
commutative axiom of addition and multiplication
equilateral triangle
relation
xy>0
3. 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
vertical angles
odd
finding the union of sets
right triangle
4. Sum of an odd and an even number is
odd
equal
x is less than y
x intercept
5. N is what % of m
n= mx/100
(x-y/x)100
1/2
perpendicular bisectors
6. Any integer is divisible by 6 if
consistent lines
negative
even
it is also divisible by 2 and 3
7. Any integer is divisible by 5 if
trapezoid
the last digit is either 0 or 5
x - y
360 degrees
8. x < y or y> x
finding the union of sets
isosceles
x is less than y
central angle
9. Any number squared or raised to an even power is
always positive or zero
x - y
equals
circle
10. x + y
equal to the slope of the other
angle a and angle b = angle d
and
x and y
11. Any integer is divisible by 4 - if
the last two digits of the number make a number that is divisible by 4
v(x2-x1)²+ (y2-y1)²
odd
v3/2 or .87
12. (x-y)(x-y) = (x-y)²
cube
x²-2xy+y²
similar triangles
central angle
13. One angle is equal 90° and the other two angles are equal to the sum of 90°
(x/100)m= n
right triangle
xy>0
equal to the sum of the measures of the remote exterior angles
14. ?
right triangle
tangent
22/7 or 3.14
x is greater than y
15. (x+y)(x+y)= (x+y)²
rectangular solid
slope of a line joining two points
x²+ 2xy+y²
0 - 2 - 4 - 6 - 8
16. Any integer is divisible by 8 if
w>0 and x>y
a
x + y
the last three numbers are divisible by 8
17. Area= bh perimeter= 2a +2b
positive
the third side
parallelogram
y-x
18. 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
sphere
x²-2xy+y²
coinciding lines
consistent lines
19. 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.
y angle< x angle
x²+ 2xy+y²
perpendicular bisectors
x>y and w>z
20. 1/x + 1/y x -y ? 0
obtuse angle
isosceles triangle
x+y/xy
the perpendicular distance
21. B²-4ac = 0 there is
triangle or straight line
domain of a relation
one solution
angle a and angle b = angle d
22. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
even
right triangle
simultaneous equations
diameter of circle
23. If two lines are parallel - the slope of one is
a+b+d=c+d
equal to the slope of the other
right triangle
x is less than y
24. (x+y) (x-y)
angle bisector
x²-y²
(y-x/x)100
reflex angle
25. Which - what
w>0 and x>y
any variable
properties of a rectangle
angle
26. x younger than y
right triangle
(y-x/x)100
x - y
inconsistent lines
27. ?
or
and
n= mx/100
xy>0
28. y years from now
the percent of decrease
diameter
+y
b+d>c+e
29. A<x and x<b
x - y
pythagorean theorem
a<x<b
x<0
30. ?
one solution
angle
x is less than y
x²-y²
31. ?
is a subset of
the last two digits of the number make a number that is divisible by 4
x>y and y>z
the sum of parts
32. 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.
diagonal of a square
x+y/xy
regular polygon properties
odd
33. 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.
inverse of a relation
cylinder
angle bisector
equal
34. Any arc length is less than
360 degrees
area of a triangle
(x-y/x)100
the sum of parts
35. x > y or y< x
coinciding lines
isosceles triangle
properties of a rectangle
x is greater than y
36. The point where the line crosses the y-axis - x will always = 0 in this case
y intercept
midpoint of a line segment joining 2 parts
the last two digits of the number make a number that is divisible by 4
v2/2 or .71
37. x>z
reflex angle
x>y and y>z
combinations
radius
38. The whole equals
y-x
combinations
the sum of parts
central angle
39. 1/an
odd
coinciding lines
a?n
inverse of a relation
40. The product of an odd number of negative numbers is
negative
equal
then side b > side a
parallelogram
41. Angles that equal 180 degrees
the perpendicular distance
supplementary angles
quadratic equations
associative axiom of addition and multiplication
42. A°
angle bisector
right triangle
a set
1
43. x>0 and y>0 or x<0 and y<0
average
even
xy>0
solution set
44. 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.
vertical angles
equal
hexagon
x²-2xy+y²
45. 1. square all choices given 2. select the closes choice that is too large and the one that is too small. 3. find the average of the two choices (not of the squares) 4. square the average - if it is greater than the original number - choose the lower
x%
approx square roots
x-y/xy
average
46. R²
circle
b is the y-intercept
diameter of circle
x<0 and z=x+y
47. 3(4+1)= 3 x 4 + 3 x 1
percent
the sum of parts
distributive axiom
equal
48. If two lines are perpendicular - the slope of one is the
negative reciprocal of the other
right triangle
trapezoid
the last digit is either 0 or 5
49. Is - as - was - has - cost
equals
approx products
similar triangles
xy
50. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases
polygon
cylinder
two solutions
finding the union of sets