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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. 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
acute angle
y intercept
x and y
2. Volume= e(edge)³ surface area= 6e²
central angle
cube
or
the last two digits of the number make a number that is divisible by 4
3. ? if a side is equal to b side then - the opposite corresponding angles are
belongs to
right triangle
equal
diameter
4. 1. subtract each number from the average of the numbers 2. square the result of each of the numbers 3. add all those results and then divide by how many numbers you originally had. 4. take the square root of that result
belongs to
all acute angles are equal and all obtuse angles are equal
standard deviation
it is also divisible by 2 and 3
5. Sum of two even numbers is
closed set
a<x<b
w>0 and x>y
even
6. x + y
x and y
equals
right triangle
inconsistent lines
7. 1/an
cube
no solutions
opposite the greatest side
a?n
8. V2
negative
associative axiom of addition and multiplication
(y-x/x)100
1.4
9. ?
average
even
is a subset of
a side< b side
10. x > y or y< x
any variable
y-x
x is greater than y
xy>0
11. y years ago
if two sets have no elements in common
xy>0
-y
approx products
12. 180°
triangle
and
straight angle
equal
13. If b²-4ac < 0 - there are
1
distributive axiom
no solutions
v3/2 or .87
14. x less than y
parallel
y-x
circle
x>y
15. x younger than y
greater than c
x - y
xy + xz
x intercept
16. Any number squared or raised to an even power is
trapezoid
equal angles
right triangle
always positive or zero
17. The percent increase from x to y (y>x)
the sum of its digits is divisible by 9
x + y
xy>0
(y-x/x)100
18. 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.
a relation is a function
no solutions
perpendicular bisectors
inscribed angle
19. The sum of the interior angles is
inconsistent lines
180 degrees
equals
times
20. Area = ?r² circumference(perimeter)= 2?r
1.4
circle
triangle
x is greater than y
21. Any integer is divisible by 10 - if
radius of a circle
pythagorean theorem
the last digit is 0
right angle
22. Integer is divisible by 2
if the last digit of the number is 0 -2 -4 -6 -8
x is greater than y
average
v2/2 or .71
23. Any integer is divisible by 8 if
chord
properties of parallelograms
cylinder
the last three numbers are divisible by 8
24. x/100
x%
(y-x/x)100
implies
x²-2xy+y²
25. Side a +side b of a ? is
isosceles triangle
greater than c
x<0
a?n
26. M= y2-y1/x2-x1
x-y
medians of a triangle
slope of a line joining two points
approx square roots
27. All three sides and all three angles are equal
the last three numbers are divisible by 8
equilateral triangle
cylinder
negative reciprocal of the other
28. A pair of equations in two unknowns (each is graphed seperately and each is represented by a straight line)
inscribed angle
simultaneous equations
1/2
equilateral triangle
29. Then their intersection is the null or empty set - written as Ø
right triangle
if two sets have no elements in common
regular polygon properties
altitude of a triangle
30. The difference between x and y
inconsistent lines
relation
circle
x - y
31. 90°
inscribed angle
y angle< x angle
right angle
altitude of a triangle
32. Is a subset of every set
isosceles
x²-y²
null set
trapezoid
33. Write down every member that the two sets have in common. The intersection of the sets A and B is a set written AnB
find the intersection of two sets
vertical angles
xy
a relation is a function
34. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3
properties of parallelograms
x%
positive
equilateral triangle
35. Parallel and never intersect - they have no solution at all - they are parallel with the same slope
x<0
inconsistent lines
approx square roots
right triangle
36. Volume=lwh surface area= 2wh + 2hl + 2lw
x and y
rectangular solid
x%
the last digit is either 0 or 5
37. Any integer is divisible by 3 - if
1 - 3 - 5 - 7 - 9
polygon
the third side
the sum of its digits is divisible by 3
38. 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.
a set
v3/2 or .87
1/2
medians of a triangle
39. 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
n percent less than x
180 degrees
equal to the slope of the other
40. (x+y) (x-y)
x²-y²
b is the y-intercept
right triangle
equals
41. (amount of decrease/original amount) x 100
x is greater than y
times
the percent of decrease
regular polygon properties
42. x + (n/100)x
always positive or zero
n percent greater than x
isosceles triangle
equal to the slope of the other
43. A chord through the center of the circle
acute angle
the square of x
diameter
x²-y²
44. 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
simultaneous equations
triangle or straight line
-y
45. 5+3= 3+5 and 5 x 3= 3 x 5
commutative axiom of addition and multiplication
solution set
closed set
hexagon
46. C²= a²+b² and angle x and y are equal to 90°
determining if a number is prime
right triangle
when finding a solution set
any variable
47. x < y or y> x
x²-2xy+y²
simultaneous equations
b+d>c+e
x is less than y
48. Two tangents to a circle from the same point outside of the circle are always
null set
standard deviation
equal angles
equal
49. The sume of x and y
slope of a line joining two points
simultaneous equations in 2 unknowns
(x/100)m= n
x + y
50. 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
even
chord
inscribed angle
belongs to