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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. Product of an even number and any other number is
even
x percent
±vx
similar triangles
2. z>y
n= mx/100
distributive axiom
x<0 and z=x+y
the last digit is either 0 or 5
3. Set of solutions to an equation
never divide by zero
solution set
isosceles triangle
right triangle
4. The point where the line crosses the y-axis - x will always = 0 in this case
relation
regular polygon properties
a?n
y intercept
5. Parallel and never intersect - they have no solution at all - they are parallel with the same slope
parallelogram
tangent
inconsistent lines
perpendicular
6. The difference between x and y
x - y
y-x
positive
a side< b side
7. x/100
vertical angles
itself
x%
x²+ 2xy+y²
8. Any number squared or raised to an even power is
right triangle
quadratic equations
always positive or zero
1/2
9. 8-15-17
x%
parallelogram
(x/100)m= n
right triangle
10. ? if a side is equal to b side then - the opposite corresponding angles are
n percent less than x
(y-x/x)100
equal
right triangle
11. 180°
even
n percent greater than x
straight angle
tangent
12. B²-4ac = 0 there is
area of a triangle
x²+ 2xy+y²
equal
one solution
13. 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
equals
opposite the greatest side
standard deviation
parallel
14. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
x+y/xy
right triangle
v3/2 or .87
approx sums
15. 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.
polygon
v3/2 or .87
the sum of its digits is divisible by 9
slope of a line joining two points
16. A¹
a
x%
properties of a rectangle
±vx
17. Ax= by + C
quadratic equations
parallel
itself
simultaneous equations in 2 unknowns
18. 1/2bh
a?n
right triangle
180 degrees
area of a triangle
19. The product of an odd number of negative numbers is
diameter of circle
negative
square
x%
20. x > y or y< x
v3/2 or .87
times
right triangle
x is greater than y
21. When two parallel lines are crossed by a third straight line (transversal) - then
1 - 3 - 5 - 7 - 9
x - y
(y-x/x)100
all acute angles are equal and all obtuse angles are equal
22. 9-40-41
x - y
simultaneous equations
n= mx/100
right triangle
23. x>z
x>y and y>z
rectangular solid
pythagorean theorem
v3/2 or .87
24. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)
x and y
similar triangles
two solutions
v(x2-x1)²+ (y2-y1)²
25. A line that is perpendicular to a radius and that passes through only one point of the circle.
x>y and w>z
tangent
right triangle
1
26. 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.
3.16
y intercept
distributive axiom
altitude of a triangle
27. Sin 30°
w<0 and x>y
right triangle
1/2
equilateral triangle
28. 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 two pairs of congruent triangles
equal
one solution
simultaneous equations in 2 unknowns
properties of parallelograms
29. ?
the last two digits of the number make a number that is divisible by 4
xy< 0
c x (john'S age)
or
30. Volume= e(edge)³ surface area= 6e²
xy>0
diameter
x - y
cube
31. 1-1-1 (60-60-60)
commutative axiom of addition and multiplication
equilateral triangle
angle inscribed in semicircle
radius
32. All odd numbers end in the digits of
diagonal of a square
1 - 3 - 5 - 7 - 9
a set
if two sets have no elements in common
33. Area= l x w perimeter = (2l)(2w)
(x-y/x)100
when finding a solution set
rectangle
all acute angles are equal and all obtuse angles are equal
34. 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)
expression of an odd number
inverse of a relation
combinations
3.16
35. x younger than y
find the intersection of two sets
x - y
equal angles
diameter of circle
36. Any integer is divisible by 6 if
it is also divisible by 2 and 3
x+y/xy
circle
the perpendicular distance
37. y<x
x intercept
x>y
Axioms
+y
38. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²
a<x<b
always positive or zero
pythagorean theorem
xy
39. If the each element of the domain occurs only once as a FIRST component
relation
(y-x/x)100
range of a relation
a relation is a function
40. Volume= 4/3?r² surface area= 4?r²
regular polygon properties
x>y
relation
sphere
41. Between 90° and 180°
right triangle
distributive axiom
obtuse angle
diameter of circle
42. The point where the line crosses the x-axis - y will always = 0 in this case
xy
x intercept
it is also divisible by 2 and 3
medians of a triangle
43. Any integer is divisible by 10 - if
the last two digits of the number make a number that is divisible by 4
the last digit is 0
vertical angles
inconsistent lines
44. x more than y
22/7 or 3.14
equal
(y-x/x)100
x + y
45. What % of m is n
the last digit is 0
finding the union of sets
associative axiom of addition and multiplication
(x/100)m= n
46. If b²-4ac > 0 there are
opposite the greatest side
perpendicular
two solutions
0 - 2 - 4 - 6 - 8
47. The sum of the interior angles is
approx square roots
x>y>0 and w>z>0
180 degrees
two solutions
48. Intersect at only one point - the point is the only solution to the pair of equations
a+b+d=c+d
consistent lines
the percent of decrease
a relation is a function
49. In a triangle - the greatest angles lies
y angle< x angle
opposite the greatest side
simultaneous equations
odd
50. 360°
obtuse angle
distributive axiom
circle
hexagon
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