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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. x(y+z)
xy + xz
isosceles triangle
(y-x/x)100
opposite the greatest side
2. The angles opposite to sides that are equal in length have
vertical angles
vertical angles
equilateral triangle
equal angles
3. Angles directly across each other are equal
square
null set
right triangle
vertical angles
4. The product of an odd number of negative numbers is
semicircle
x²-y²
properties of parallelograms
negative
5. x>0 and y>0 or x<0 and y<0
xy>0
itself
parallel
right angle
6. | |
parallel
rectangular solid
n percent less than x
w<0 and x>y
7. 1. round the numbers being multiplied to one more place than it is being asked. 2. Multiply the rounded off numbers 3. round of product to desired number of places
n percent less than x
approx products
the sum of its digits is divisible by 3
right triangle
8. Diagonals divide into 6 equilateral triangles - the sides are equal to the sides of the ________. if inscribed in a circle - the length of each side is equal to the length of the radius of the circle.
hemisphere
even
hexagon
radius
9. A line that is perpendicular to a radius and that passes through only one point of the circle.
tangent
x intercept
no solutions
find the intersection of two sets
10. The lines that divide each angle of the triangle into two equal parts. these lines meet in a point that is the center of a circle inscribed in the triangle.
equal to the sum of the measures of the remote exterior angles
angle bisector
midpoint of a line segment joining 2 parts
pythagorean theorem
11. The difference between x and y
x - y
right triangle
c x (john'S age)
acute angle
12. Intersect at only one point - the point is the only solution to the pair of equations
consistent lines
properties of parallelograms
hexagon
sphere
13. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other
parallelogram
vertical angles
1 - 3 - 5 - 7 - 9
n= mx/100
14. 2k
tangent
expression of an even number
regular polygon properties
x>y and y>z
15. Sum of an odd and an even number is
the last digit is either 0 or 5
odd
xy
simultaneous equations
16. Area= 1/4s² v3 perimeter= 3s altitude= 1/2s v3
equilateral triangle
equal angles
odd
all acute angles are equal and all obtuse angles are equal
17. Every set is a subset of
isosceles triangle
radius of a circle
itself
quadratic equations
18. If two lines are parallel - the slope of one is
properties of a square
-y
equal to the slope of the other
a?n
19. Sin 30°
angle
a side< b side
right triangle
1/2
20. y years ago
(x/100)m= n
the sum of parts
-y
equals
21. Any integer is divisible by 5 if
null set
the last digit is either 0 or 5
a set
domain of a relation
22. (x1+ x2/2) - (y1+y2/2) Each coordinate of the midpoint is equal to the average of the corresponding cordinates of the endpoints
radius of a circle
midpoint of a line segment joining 2 parts
properties of parallelograms
properties of a rectangle
23. x²
vertical angles
the square of x
-y
a set
24. x +z > y+z
find the intersection of two sets
one solution
equal
x>y
25. 1/an
one solution
polygon
greater than c
a?n
26. The product of x and y
a set
xy
x + y
diameter
27. 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.
slope of a line joining two points
medians of a triangle
properties of a rectangle
probability
28. N is what % of m
n= mx/100
y-x
tangent
1.7
29. x > y or y< x
1.4
diameter
always positive or zero
x is greater than y
30. 3-4-5
right triangle
diagonal of a square
triangle or straight line
the percent of decrease
31. Sin 45°
inscribed angle
and
v2/2 or .71
the last three numbers are divisible by 8
32. Any integer is divisible by 4 - if
triangle
the last two digits of the number make a number that is divisible by 4
1
angle inscribed in semicircle
33. x - (n/100)x
even
average
n percent less than x
1.4
34. Wx>wy
x intercept
the sum of its digits is divisible by 3
x is less than y
w>0 and x>y
35. C times as old as john
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183
36. x(y-z)
closed set
never divide by zero
xy-xz
x²+ 2xy+y²
37. Parallel and never intersect - they have no solution at all - they are parallel with the same slope
medians of a triangle
inconsistent lines
x>y>0 and w>z>0
the third side
38. Set of solutions to an equation
x - y
the percent of decrease
solution set
one solution
39. The distance from the center of the circle
radius
xy< 0
equilateral triangle
and
40. ?
then side b > side a
even
is a subset of
polygon
41. Area = ?r² circumference(perimeter)= 2?r
closed set
xy + xz
circle
equal
42. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
parallel
semicircle
slope of a line joining two points
negative
43. (amount of increase/original amount) x 100
x is greater than y
rectangle
xy-xz
the percent of increase
44. The product of an even number of negative numbers is
approx sums
positive
x²-2xy+y²
expression of an even number
45. 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
hexagon
percent
0 - 2 - 4 - 6 - 8
properties of a rectangle
46. If b²-4ac > 0 there are
range of a relation
reflex angle
standard deviation
two solutions
47. ?
and
b is the y-intercept
the percent of decrease
isosceles
48. Any integer is divisible by 8 if
the last three numbers are divisible by 8
v2/2 or .71
square
right angle
49. If b²-4ac < 0 - there are
altitude of a triangle
rectangular solid
no solutions
relation
50. 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)
equilateral triangle
combinations
w>0 and x>y
altitude of a triangle