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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. When the elements of a set are ordered pairs
opposite the greatest side
then side b > side a
relation
if the last digit of the number is 0 -2 -4 -6 -8
2. If y²= x - then y =
±vx
x>y
(y-x/x)100
isosceles triangle
3. The distance from the center of the circle
n percent greater than x
radius
the last digit is 0
cube
4. x more than y
1 - 3 - 5 - 7 - 9
equal
x intercept
x + y
5. x younger than y
x - y
vertical angles
distributive axiom
any variable
6. Any line that connects two points on a circle.
a+b+d=c+d
chord
n percent less than x
probability
7. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases
cylinder
circle
v(x2-x1)²+ (y2-y1)²
never divide by zero
8. Angle whose sides are two radii of the circle. The vertex of this angle is the center of the circle. The number of degrees is equal to the amount of arc length that the radd intercept.
right triangle
right triangle
central angle
y-x
9. Sin 60°
right triangle
v3/2 or .87
(x-y/x)100
n percent less than x
10. M= y2-y1/x2-x1
rectangular solid
distributive axiom
slope of a line joining two points
relation
11. 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 -
all acute angles are equal and all obtuse angles are equal
even
determining if a number is prime
rectangle
12. If two lines are parallel - the slope of one is
(x-y/x)100
y-x
square
equal to the slope of the other
13. ?
y intercept
when finding a solution set
equal
or
14. If the each element of the domain occurs only once as a FIRST component
right triangle
equilateral triangle
a relation is a function
the percent of increase
15. x+w> y+z
right triangle
x>y and w>z
vertical angles
c x (john'S age)
16. 180°
circle
straight angle
triangle
combinations
17. Parallel and never intersect - they have no solution at all - they are parallel with the same slope
inconsistent lines
percent
expression of an odd number
isosceles triangle
18. Diagonal= sv2
c x (john'S age)
diagonal of a square
v(x2-x1)²+ (y2-y1)²
x%
19. 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
properties of a square
acute angle
x - y
finding the union of sets
20. 1/y-1/x x -y ? 0
x-y/xy
1.7
a relation is a function
closed set
21. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3
diagonal of a square
equilateral triangle
properties of a rhombus
xy< 0
22. Any integer is divisible by 5 if
the last digit is either 0 or 5
greater than c
times
a?n
23. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
right triangle
x - y
permutations
x<0 and z=x+y
24. The increase from x to y
x²+ 2xy+y²
x intercept
y-x
x>y and w>z
25. Less than 90°
acute angle
circle
x is greater than y
similar triangles
26. 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.
equal to the slope of the other
polygon
percent
quadratic equations
27. Any integer is divisible by 6 if
it is also divisible by 2 and 3
cylinder
equal
even
28. ?
probability
is a subset of
x intercept
right triangle
29. The measure of an interior angle is
1.4
equal to the sum of the measures of the remote exterior angles
vertical angles
supplementary angles
30. M?A = m?D m?B= m?E m?C=m?F and a/d=b/e=c/f
supplementary angles
similar triangles
equilateral triangle
x+y/xy
31. The sume of x and y
properties of a square
x + y
area of a triangle
xy
32. The sum of the interior angles is
xy< 0
quadratic equations
the last three numbers are divisible by 8
180 degrees
33. 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
coinciding lines
y angle< x angle
approx sums
the percent of decrease
34. Is the set of the second components of the ordered pairs
right triangle
the sum of its digits is divisible by 9
range of a relation
±vx
35. 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 rectangle
reflex angle
or
±vx
36. Volume= e(edge)³ surface area= 6e²
cube
x>y>0 and w>z>0
standard deviation
1.7
37. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d
expression of an even number
trapezoid
isosceles triangle
acute angle
38. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
hemisphere
1 - 3 - 5 - 7 - 9
reflex angle
y intercept
39. 5-12-13
0 - 2 - 4 - 6 - 8
b is the y-intercept
right triangle
perpendicular
40. Set of solutions to an equation
solution set
any variable
quadratic equations
approx sums
41. x + (n/100)x
n percent greater than x
simultaneous equations
any variable
square
42. x(y+z)
domain of a relation
x%
right triangle
xy + xz
43. 3-4-5
permutations
rectangle
right triangle
diameter
44. x>0 and y>0 or x<0 and y<0
xy>0
22/7 or 3.14
equal angles
0 - 2 - 4 - 6 - 8
45. (x+y)(x+y)= (x+y)²
two solutions
percent
b+d>c+e
x²+ 2xy+y²
46. When two parallel lines are crossed by a third straight line (transversal) - then
all acute angles are equal and all obtuse angles are equal
set
angle bisector
right triangle
47. Area= l x w perimeter = (2l)(2w)
rectangle
+y
y intercept
belongs to
48. If the base angles of a triangle are equal - the triangle is
Axioms
perpendicular bisectors
right triangle
isosceles
49. The product of an odd number of negative numbers is
no solutions
equal angles
properties of a rectangle
negative
50. The angles opposite to sides that are equal in length have
equal angles
a<x<b
null set
similar triangles