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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. y years from now
cylinder
right triangle
+y
equal
2. x>0 and y>0 or x<0 and y<0
xy>0
odd
if the last digit of the number is 0 -2 -4 -6 -8
a?n
3. x/100
(y-x/x)100
closed set
x percent
x>y
4. 3(4+1)= 3 x 4 + 3 x 1
distributive axiom
range of a relation
x + y
hemisphere
5. x younger than y
xy>0
x - y
x is greater than y
the last three numbers are divisible by 8
6. Is the relation with ALL ordered pairs REVERSED.
circle
x-y
inverse of a relation
commutative axiom of addition and multiplication
7. The point where the line crosses the x-axis - y will always = 0 in this case
c x (john'S age)
parallel
x intercept
properties of parallelograms
8. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)
diagonal of a square
any variable
1.7
v(x2-x1)²+ (y2-y1)²
9. Is the set of the second components of the ordered pairs
range of a relation
negative
polygon
even
10. When two parallel lines are crossed by a third straight line (transversal) - then
all acute angles are equal and all obtuse angles are equal
x<0 and z=x+y
xy
x%
11. (amount of decrease/original amount) x 100
x - y
even
the percent of decrease
range of a relation
12. 180°
x²+ 2xy+y²
all acute angles are equal and all obtuse angles are equal
circle
straight angle
13. Area= s² perimeter= 4s
square
w<0 and x>y
semicircle
equal to the slope of the other
14. 9-40-41
right triangle
xy
equal to the sum of the measures of the remote exterior angles
v(x2-x1)²+ (y2-y1)²
15. If two lines are parallel - the slope of one is
c x (john'S age)
b+d>c+e
equal to the slope of the other
x + y
16. A collection of anything - numbers - letters - objects - etc. written within brackets { } two are equal if they contain the same elements.(order does not matter)
set
x>y
solution set
0 - 2 - 4 - 6 - 8
17. V2
always positive or zero
area of a triangle
1.4
x>y
18. A line that is perpendicular to a radius and that passes through only one point of the circle.
v(x2-x1)²+ (y2-y1)²
obtuse angle
expression of an odd number
tangent
19. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)
circle
Axioms
n= mx/100
associative axiom of addition and multiplication
20. The quotient of any quantity (except 0) divided by zero is infinity
right triangle
x>y
never divide by zero
two solutions
21. (amount of increase/original amount) x 100
x<0 and z=x+y
the percent of increase
parallel
similar triangles
22. 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
w<0 and x>y
commutative axiom of addition and multiplication
inscribed angle
equal
23. 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)
rectangle
chord
angle a and angle b = angle d
the last two digits of the number make a number that is divisible by 4
24. Between 180° and 360°
semicircle
Axioms
equal angles
reflex angle
25. Sum of two even numbers is
even
the last two digits of the number make a number that is divisible by 4
straight angle
x and y
26. 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
commutative axiom of addition and multiplication
vertical angles
equal angles
27. If y²= x - then y =
right triangle
diameter of circle
±vx
tangent
28. 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)
a set
right angle
combinations
supplementary angles
29. Any integer is divisible by 10 - if
hexagon
the last digit is 0
n= mx/100
no solutions
30. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d
simultaneous equations
determining if a number is prime
range of a relation
trapezoid
31. 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
approx products
associative axiom of addition and multiplication
sphere
a side< b side
32. If ?B > ?A - then
circle
then side b > side a
chord
always positive or zero
33. xn<0 if n is odd and xn>0 if n is even
x<0
x>y and w>z
right triangle
similar triangles
34. Diagonal= sv2
diagonal of a square
the perpendicular distance
x+y/xy
coinciding lines
35. x+w> y+z
0 - 2 - 4 - 6 - 8
percent
x>y and w>z
x>y and y>z
36. The distance between two parallel lines or from a point to a line always means
or
the perpendicular distance
expression of an odd number
xy>0
37. The percent decrease from x to y ( y<x)
(x-y/x)100
v3/2 or .87
angle a and angle b = angle d
semicircle
38. The sum of any two sides of a triangle is greater than
isosceles triangle
the third side
diameter
a<x<b
39. Any integer is divisible by 5 if
altitude of a triangle
the last digit is either 0 or 5
isosceles
the sum of its digits is divisible by 9
40. Two tangents to a circle from the same point outside of the circle are always
central angle
equal
equilateral triangle
x<0
41. 7-24-25
right triangle
rectangular solid
isosceles triangle
xy-xz
42. ?
a?n
parallelogram
equal
perpendicular
43. Angles directly across each other are equal
vertical angles
equal
the sum of parts
approx square roots
44. (x+y)(x+y)= (x+y)²
tangent
x²+ 2xy+y²
all acute angles are equal and all obtuse angles are equal
xy< 0
45. V10
simultaneous equations
3.16
the square of x
reflex angle
46. Product of an even number and any other number is
it is also divisible by 2 and 3
even
acute angle
equals
47. 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.
angle bisector
equilateral triangle
supplementary angles
x is less than y
48. If the each element of the domain occurs only once as a FIRST component
altitude of a triangle
a relation is a function
3.16
solution set
49. 5+3= 3+5 and 5 x 3= 3 x 5
commutative axiom of addition and multiplication
find the intersection of two sets
a?n
standard deviation
50. (sum of individual quantities or measures/ total number of quantities or measures)
average
x%
x + y
w<0 and x>y