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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. One angle is equal 90° and the other two angles are equal to the sum of 90°
parallel
two solutions
right triangle
inscribed angle
2. 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 -
1.7
determining if a number is prime
w>0 and x>y
x and y
3. Area = ?r² circumference(perimeter)= 2?r
right triangle
(x/100)m= n
circle
the perpendicular distance
4. x older than y
x + y
set
xy< 0
or
5. 1/y-1/x x -y ? 0
coinciding lines
x-y/xy
right triangle
b is the y-intercept
6. A subset of a set is
1.4
a set
equal
negative
7. The quotient of any quantity (except 0) divided by zero is infinity
vertical angles
n percent greater than x
1 - 3 - 5 - 7 - 9
never divide by zero
8. Less than 90°
acute angle
simultaneous equations
regular polygon properties
x is less than y
9. x>0 and y>0 or x<0 and y<0
n percent greater than x
simultaneous equations in 2 unknowns
xy>0
isosceles triangle
10. x+w> y+z
x-y/xy
circle
x percent
x>y and w>z
11. In transversals
all acute angles are equal and all obtuse angles are equal
equilateral triangle
360 degrees
x<0 and z=x+y
12. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3
null set
if the last digit of the number is 0 -2 -4 -6 -8
equilateral triangle
equals
13. V2/2- v2/2 - 1 (90-45-45)
consistent lines
the percent of decrease
isosceles triangle
x>y and y>z
14. Any number squared or raised to an even power is
c x (john'S age)
inverse of a relation
right triangle
always positive or zero
15. V2
sphere
parallel
area of a triangle
1.4
16. In a triangle - the greatest angles lies
hexagon
opposite the greatest side
(y-x/x)100
x + y
17. 1-v3- 2 (90-30-60)
is a subset of
180 degrees
a side< b side
right triangle
18. Wx>wy
right triangle
negative
w>0 and x>y
xy-xz
19. A pair of equations in two unknowns (each is graphed seperately and each is represented by a straight line)
x<0
a
simultaneous equations
area of a triangle
20. 7-24-25
range of a relation
right triangle
distributive axiom
slope of a line joining two points
21. x>0 and y<0 or x<0 and y >0
1.4
xy< 0
finding the union of sets
x²-y²
22. The percent decrease from x to y ( y<x)
properties of a square
(x-y/x)100
diagonal of a square
x>y and w>z
23. The difference between x and y
x - y
22/7 or 3.14
the percent of decrease
vertical angles
24. 180°
x percent
straight angle
x - y
x>y and w>z
25. ?
1/2
equilateral triangle
x percent
and
26. Area= 1/2bh perimeter= a+b+c
triangle
medians of a triangle
find the intersection of two sets
n percent less than x
27. The distance between two parallel lines or from a point to a line always means
hexagon
the perpendicular distance
greater than c
the square of x
28. 90°
the sum of its digits is divisible by 9
a relation is a function
solution set
right angle
29. Any integer is divisible by 5 if
opposite the greatest side
simultaneous equations
n= mx/100
the last digit is either 0 or 5
30. ?
1/2
opposite the greatest side
quadratic equations
implies
31. 1/an
consistent lines
a?n
quadratic equations
perpendicular bisectors
32. Diagonals are perpendicular to each other and bisect the vertex angles 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 diagonal
properties of a rhombus
distributive axiom
null set
supplementary angles
33. The sume of x and y
equilateral triangle
right triangle
x + y
approx products
34. Sin 60°
opposite the greatest side
v3/2 or .87
y-x
x>y and w>z
35. B>c+ d>e
reflex angle
b+d>c+e
equal
hemisphere
36. Is a rectangular rhombus 1. all four sides are equal 2. opposite pairs of sides are parallel 3. diagonals are equal - are perpendicular to each other - and bisect each other. 4. all the angles are right triangles 5. diagonals intersect the vertices a
angle
(x-y/x)100
properties of a square
negative reciprocal of the other
37. 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
determining if a number is prime
w<0 and x>y
parallel
inscribed angle
38. A°
a relation is a function
x and y
standard deviation
1
39. The point where the line crosses the x-axis - y will always = 0 in this case
b+d>c+e
x intercept
w>0 and x>y
Axioms
40. If the base angles of a triangle are equal - the triangle is
altitude of a triangle
it is also divisible by 2 and 3
360 degrees
isosceles
41. x more than y
x percent
xy-xz
x + y
y-x
42. M?A = m?D m?B= m?E m?C=m?F and a/d=b/e=c/f
implies
c x (john'S age)
radius of a circle
similar triangles
43. All angles are right angles and diagonals are equal 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
properties of a rhombus
properties of a rectangle
perpendicular bisectors
straight angle
44. Any integer is divisible by 10 - if
y-x
the last digit is 0
find the intersection of two sets
n= mx/100
45. (amount of decrease/original amount) x 100
the percent of decrease
right triangle
itself
triangle
46. Any integer is divisible by 8 if
x-y
equals
the last three numbers are divisible by 8
associative axiom of addition and multiplication
47. x>z
x>y and y>z
properties of a rhombus
central angle
the square of x
48. (x1+ x2/2) - (y1+y2/2) Each coordinate of the midpoint is equal to the average of the corresponding cordinates of the endpoints
diameter of circle
x>y and y>z
midpoint of a line segment joining 2 parts
v2/2 or .71
49. 2k + 1
expression of an odd number
the last two digits of the number make a number that is divisible by 4
b is the y-intercept
x + y
50. Integer is divisible by 2
quadratic equations
if the last digit of the number is 0 -2 -4 -6 -8
diameter
x%