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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. A¹
then side b > side a
a
diagonal of a square
parallelogram
2. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a
one solution
quadratic equations
+y
isosceles triangle
3. Parallel and never intersect - they have no solution at all - they are parallel with the same slope
b is the y-intercept
if the last digit of the number is 0 -2 -4 -6 -8
inconsistent lines
all acute angles are equal and all obtuse angles are equal
4. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other
vertical angles
equal angles
the percent of decrease
tangent
5. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB
equal
find the intersection of two sets
quadratic equations
v(x2-x1)²+ (y2-y1)²
6. Of
negative
negative reciprocal of the other
times
parallelogram
7. Area = ?r² circumference(perimeter)= 2?r
xy-xz
range of a relation
circle
perpendicular
8. If the base angles of a triangle are equal - the triangle is
isosceles
x+y/xy
parallelogram
right triangle
9. x>0 and y<0 or x<0 and y >0
x>y
equal
expression of an even number
xy< 0
10. Which - what
diagonal of a square
properties of a rhombus
v3/2 or .87
any variable
11. V2
1.4
(y-x/x)100
right triangle
solution set
12. Any arc length is less than
a
-y
always positive or zero
360 degrees
13. Any integer is divisible by 5 if
xy
right triangle
inverse of a relation
the last digit is either 0 or 5
14. 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
approx square roots
b+d>c+e
w<0 and x>y
x + y
15. The distance between two parallel lines or from a point to a line always means
a+b+d=c+d
vertical angles
the perpendicular distance
right triangle
16. 3-4-5
v3/2 or .87
approx sums
vertical angles
right triangle
17. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication
pythagorean theorem
right angle
finding the union of sets
Axioms
18. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²
pythagorean theorem
x + y
inconsistent lines
the perpendicular distance
19. Between 180° and 360°
odd
properties of a rhombus
tangent
reflex angle
20. Angles that equal 180 degrees
relation
distributive axiom
diameter of circle
supplementary angles
21. 180°
polygon
approx products
diameter of circle
straight angle
22. (x+y)(x+y)= (x+y)²
properties of a rectangle
obtuse angle
right triangle
x²+ 2xy+y²
23. /100 (the ______ number over 100)
rectangular solid
percent
it is also divisible by 2 and 3
x is greater than y
24. V3
1.7
y-x
approx square roots
standard deviation
25. B²-4ac = 0 there is
relation
a relation is a function
one solution
right angle
26. The product of an even number of negative numbers is
x²-2xy+y²
parallel
greater than c
positive
27. The product of an odd number of negative numbers is
negative
even
v2/2 or .71
find the intersection of two sets
28. Is drawn from the vertices perpendicular to the opposite sides. The lengths of these lines are useful in calculating the area of the trinagle since the area of the triangle is 1/2bh and the height and the _____are the same.
equilateral triangle
altitude of a triangle
a side< b side
is a subset of
29. If b²-4ac > 0 there are
a<x<b
associative axiom of addition and multiplication
two solutions
xy< 0
30. ?
the sum of its digits is divisible by 3
xy< 0
implies
angle
31. 2k
x>y
cylinder
expression of an even number
right triangle
32. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)
w>0 and x>y
set
cube
equal to the slope of the other
33. ?
never divide by zero
combinations
x>y
is a subset of
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)
a set
angle a and angle b = angle d
0 - 2 - 4 - 6 - 8
approx sums
35. 1/x + 1/y x -y ? 0
x+y/xy
equal
perpendicular
x-y/xy
36. Then their intersection is the null or empty set - written as Ø
w>0 and x>y
circle
if two sets have no elements in common
range of a relation
37. ?
belongs to
equilateral triangle
x is greater than y
all acute angles are equal and all obtuse angles are equal
38. Wx<wy
triangle or straight line
w<0 and x>y
a set
v(x2-x1)²+ (y2-y1)²
39. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
1 - 3 - 5 - 7 - 9
right triangle
semicircle
the third side
40. Any integer is divisible by 9 - if
right triangle
the sum of its digits is divisible by 9
xy
x and y
41. A chord through the center of the circle
pythagorean theorem
3.16
diameter
v3/2 or .87
42. Is always a right angle.
180 degrees
approx sums
angle inscribed in semicircle
all acute angles are equal and all obtuse angles are equal
43. If two lines are perpendicular - the slope of one is the
then side b > side a
equilateral triangle
negative reciprocal of the other
right triangle
44. 5+3= 3+5 and 5 x 3= 3 x 5
commutative axiom of addition and multiplication
then side b > side a
(x-y/x)100
a side< b side
45. All even numbers end in the digits of
180 degrees
0 - 2 - 4 - 6 - 8
the sum of parts
acute angle
46. Diagonal= sv2
equal
diagonal of a square
1.7
x>y and y>z
47. ? if a side is equal to b side then - the opposite corresponding angles are
equal
1/2
any variable
x + y
48. x(y-z)
even
straight angle
right triangle
xy-xz
49. Two tangents to a circle from the same point outside of the circle are always
simultaneous equations in 2 unknowns
x + y
finding the union of sets
equal
50. Any integer is divisible by 8 if
the last three numbers are divisible by 8
the last digit is 0
slope of a line joining two points
right triangle