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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. V2
1.4
odd
x percent
all acute angles are equal and all obtuse angles are equal
2. y years from now
or
even
equilateral triangle
+y
3. 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
parallelogram
cube
vertical angles
properties of a rectangle
4. x > y or y< x
n= mx/100
x is greater than y
xy-xz
parallel
5. If an equation can be put into the form y= mx +b - then
right triangle
b is the y-intercept
right triangle
angle a and angle b = angle d
6. A/A¹ = B/B¹= C/C¹
similar triangles
rectangle
triangle or straight line
inscribed angle
7. x younger than y
x<0 and z=x+y
the percent of increase
x - y
central angle
8. Wx<wy
w<0 and x>y
x + y
right triangle
if two sets have no elements in common
9. x - (n/100)x
n percent less than x
3.16
right triangle
and
10. x/100
right triangle
x - y
x percent
y-x
11. The difference between x and y
parallelogram
x - y
w<0 and x>y
x + y
12. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
hemisphere
regular polygon properties
right triangle
perpendicular
13. One angle is equal 90° and the other two angles are equal to the sum of 90°
angle a and angle b = angle d
commutative axiom of addition and multiplication
right triangle
equal to the sum of the measures of the remote exterior angles
14. x +z > y+z
coinciding lines
domain of a relation
never divide by zero
x>y
15. Area= 1/2h(b1+b2) perimeter= b1+b2+c+d
sphere
y-x
trapezoid
similar triangles
16. 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
180 degrees
properties of a rhombus
x is less than y
hexagon
17. The increase from x to y
cylinder
domain of a relation
y-x
right triangle
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.
perpendicular bisectors
is a subset of
n= mx/100
equilateral triangle
19. Less than 90°
angle
average
acute angle
perpendicular
20. Then their intersection is the null or empty set - written as Ø
central angle
even
if two sets have no elements in common
isosceles
21. 3-4-5
positive
never divide by zero
right triangle
180 degrees
22. 8-15-17
right triangle
trapezoid
area of a triangle
equilateral triangle
23. 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.
1.4
closed set
medians of a triangle
the perpendicular distance
24. If the each element of the domain occurs only once as a FIRST component
properties of a square
right triangle
similar triangles
a relation is a function
25. 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.
triangle or straight line
if the last digit of the number is 0 -2 -4 -6 -8
(x/100)m= n
polygon
26. A pair of equations in two unknowns (each is graphed seperately and each is represented by a straight line)
right triangle
simultaneous equations
180 degrees
right triangle
27. Ax= by + C
right triangle
±vx
simultaneous equations in 2 unknowns
equilateral triangle
28. 1/x + 1/y x -y ? 0
x-y/xy
x+y/xy
the sum of its digits is divisible by 3
null set
29. 1/y-1/x x -y ? 0
approx square roots
regular polygon properties
x-y/xy
right angle
30. Side a +side b of a ? is
even
always positive or zero
or
greater than c
31. The sume of x and y
1 - 3 - 5 - 7 - 9
x + y
(x/100)m= n
diameter
32. A<x and x<b
when finding a solution set
cube
no solutions
a<x<b
33. A+b=c+ d=d
a+b+d=c+d
diagonal of a square
all acute angles are equal and all obtuse angles are equal
similar triangles
34. Distributive axiom - commutative axiom of addition and multiplication - associative axioms of addition and multiplication
standard deviation
semicircle
greater than c
Axioms
35. C times as old as john
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183
36. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other
x is less than y
vertical angles
x intercept
x²-2xy+y²
37. 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
xy< 0
cylinder
probability
approx products
38. Any integer is divisible by 4 - if
x intercept
the last two digits of the number make a number that is divisible by 4
x>y>0 and w>z>0
Axioms
39. If b²-4ac < 0 - there are
no solutions
y-x
tangent
hexagon
40. ?
a<x<b
expression of an even number
or
right triangle
41. V2/2- v2/2 - 1 (90-45-45)
altitude of a triangle
isosceles triangle
permutations
x is greater than y
42. Have two equal sides and two equal angles formed by the equal sides and the unequal side.
w>0 and x>y
x + y
(x-y/x)100
isosceles triangle
43. Angles directly across each other are equal
times
the last digit is either 0 or 5
vertical angles
the last two digits of the number make a number that is divisible by 4
44. 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.
belongs to
greater than c
the sum of its digits is divisible by 9
altitude of a triangle
45. Sum of two even numbers is
even
central angle
rectangular solid
when finding a solution set
46. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)
standard deviation
x + y
associative axiom of addition and multiplication
(y-x/x)100
47. Write down every member in one or both of the sets - the union of two sets is a new set. the union of set A and B is written as A?B
finding the union of sets
equilateral triangle
xy + xz
associative axiom of addition and multiplication
48. 9-40-41
properties of a square
right triangle
circle
right angle
49. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²
x>y>0 and w>z>0
right triangle
similar triangles
pythagorean theorem
50. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases
even
square
angle inscribed in semicircle
cylinder