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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. The product of an odd number of negative numbers is
x+y/xy
c x (john'S age)
solution set
negative
2. (amount of increase/original amount) x 100
360 degrees
the percent of increase
determining if a number is prime
the last digit is either 0 or 5
3. 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.
any variable
a relation is a function
polygon
xy< 0
4. Any line that connects two points on a circle.
chord
n percent less than x
x<0 and z=x+y
angle
5. If two lines are parallel - the slope of one is
triangle or straight line
equal to the slope of the other
circle
then side b > side a
6. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)
y intercept
(x/100)m= n
parallelogram
v(x2-x1)²+ (y2-y1)²
7. (x1+ x2/2) - (y1+y2/2) Each coordinate of the midpoint is equal to the average of the corresponding cordinates of the endpoints
midpoint of a line segment joining 2 parts
sphere
a relation is a function
the perpendicular distance
8. x +z > y+z
x intercept
area of a triangle
right angle
x>y
9. Any integer is divisible by 4 - if
the last two digits of the number make a number that is divisible by 4
odd
a
associative axiom of addition and multiplication
10. A°
1
even
angle
right triangle
11. Ax= by + C
set
supplementary angles
x<0
simultaneous equations in 2 unknowns
12. In transversals
diameter of circle
properties of a rhombus
all acute angles are equal and all obtuse angles are equal
1.4
13. 90°
right angle
x²-y²
odd
(x/100)m= n
14. V3
1.7
xy-xz
x percent
consistent lines
15. Every set is a subset of
vertical angles
itself
x+y/xy
consistent lines
16. 5+3= 3+5 and 5 x 3= 3 x 5
angle inscribed in semicircle
commutative axiom of addition and multiplication
1.4
supplementary angles
17. Volume= e(edge)³ surface area= 6e²
distributive axiom
the sum of its digits is divisible by 9
cube
if the last digit of the number is 0 -2 -4 -6 -8
18. 360°
it is also divisible by 2 and 3
if the last digit of the number is 0 -2 -4 -6 -8
circle
trapezoid
19. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
determining if a number is prime
semicircle
simultaneous equations
equal
20. 7-24-25
approx sums
circle
if the last digit of the number is 0 -2 -4 -6 -8
right triangle
21. ? if a side < b side - then
y angle< x angle
isosceles
y-x
b+d>c+e
22. x= -b + vb²-4ac/2a and x = -b - vb²-4ac/2a
x²-y²
the percent of decrease
properties of a rhombus
quadratic equations
23. 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
(x-y/x)100
vertical angles
properties of a rectangle
n= mx/100
24. Is always a right angle.
angle inscribed in semicircle
odd
equal to the slope of the other
triangle or straight line
25. A pair of equations in two unknowns (each is graphed seperately and each is represented by a straight line)
x>y and y>z
simultaneous equations
approx sums
+y
26. Wx<wy
angle a and angle b = angle d
equilateral triangle
w<0 and x>y
the last two digits of the number make a number that is divisible by 4
27. Is the set of the first components of the ordered pairs.
equal to the sum of the measures of the remote exterior angles
domain of a relation
x²-y²
a set
28. N= number of objects (order matters!!!) k= rate at a time nPk= n!/(n-k)! (remember to cancel common numbers)
acute angle
x and y
coinciding lines
permutations
29. 1/an
a?n
slope of a line joining two points
one solution
opposite the greatest side
30. The sum of any two sides of a triangle is greater than
1/2
the sum of its digits is divisible by 3
if two sets have no elements in common
the third side
31. Sum of an odd and an even number is
x>y>0 and w>z>0
odd
the square of x
x+y/xy
32. Which - what
any variable
the percent of decrease
when finding a solution set
all acute angles are equal and all obtuse angles are equal
33. x(y+z)
xy + xz
the last two digits of the number make a number that is divisible by 4
(x-y/x)100
negative
34. What % of m is n
3.16
triangle or straight line
expression of an odd number
(x/100)m= n
35. 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
opposite the greatest side
coinciding lines
x - y
x²-y²
36. V2/2- v2/2 - 1 (90-45-45)
isosceles triangle
right triangle
domain of a relation
180 degrees
37. /100 (the ______ number over 100)
percent
or
quadratic equations
equal to the sum of the measures of the remote exterior angles
38. x + y
(x/100)m= n
triangle or straight line
x and y
two solutions
39. All three sides and all three angles are equal
approx square roots
semicircle
the last digit is 0
equilateral triangle
40. Angles that equal 180 degrees
even
supplementary angles
±vx
circle
41. The point where the line crosses the x-axis - y will always = 0 in this case
and
x intercept
all acute angles are equal and all obtuse angles are equal
coinciding lines
42. R²
polygon
diameter of circle
equals
circle
43. The product of an even number of negative numbers is
n percent greater than x
positive
-y
x is greater than y
44. The point where the line crosses the y-axis - x will always = 0 in this case
circle
y intercept
semicircle
regular polygon properties
45. 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
medians of a triangle
y angle< x angle
isosceles triangle
inscribed angle
46. N= combinations taken (order does not matter) r= rate at a time nCr or C(n -r) = (n)!/(r)! (remember to cancel out common numbers)
combinations
slope of a line joining two points
properties of a rhombus
±vx
47. 180°
v3/2 or .87
straight angle
0 - 2 - 4 - 6 - 8
n= mx/100
48. Volume=lwh surface area= 2wh + 2hl + 2lw
consistent lines
rectangular solid
x+y/xy
the last digit is either 0 or 5
49. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²
relation
xy>0
right triangle
pythagorean theorem
50. Between 90° and 180°
equilateral triangle
obtuse angle
simultaneous equations
and
Sorry!:) No result found.
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