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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 +z > y+z
consistent lines
the sum of its digits is divisible by 9
implies
x>y
2. A line that is perpendicular to a radius and that passes through only one point of the circle.
perpendicular
right triangle
supplementary angles
tangent
3. The length of a segment whose endpoints are (x1 -y1) and (x2 -y2)
v(x2-x1)²+ (y2-y1)²
x%
commutative axiom of addition and multiplication
standard deviation
4. The difference between x and y
x - y
a side< b side
perpendicular
properties of a rhombus
5. x less than y
(x-y/x)100
isosceles
relation
y-x
6. 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
properties of parallelograms
n percent less than x
and
properties of a rhombus
7. y<x
xy + xz
standard deviation
x>y
midpoint of a line segment joining 2 parts
8. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²
pythagorean theorem
right triangle
a relation is a function
x - y
9. 8-15-17
all acute angles are equal and all obtuse angles are equal
v3/2 or .87
right triangle
the square of x
10. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases
approx sums
cylinder
(x-y/x)100
1/2
11. (x+y)(x+y)= (x+y)²
x²+ 2xy+y²
slope of a line joining two points
distributive axiom
range of a relation
12. 1-1-v2 (90-45-45)
equilateral triangle
right triangle
never divide by zero
similar triangles
13. x older than y
x-y/xy
diameter of circle
x + y
pythagorean theorem
14. A/A¹ = B/B¹= C/C¹
similar triangles
radius of a circle
relation
approx products
15. Is the set of the first components of the ordered pairs.
domain of a relation
hemisphere
y-x
quadratic equations
16. Two tangents to a circle from the same point outside of the circle are always
equal
expression of an odd number
always positive or zero
properties of parallelograms
17. All odd numbers end in the digits of
(x-y/x)100
1 - 3 - 5 - 7 - 9
b is the y-intercept
x+y/xy
18. The point where the line crosses the y-axis - x will always = 0 in this case
implies
set
equilateral triangle
y intercept
19. /100 (the ______ number over 100)
central angle
percent
a relation is a function
simultaneous equations
20. The distance between two parallel lines or from a point to a line always means
approx products
0 - 2 - 4 - 6 - 8
the perpendicular distance
Axioms
21. The sume of x and y
1/2
belongs to
x + y
set
22. Product of an even number and any other number is
even
solution set
a?n
xy< 0
23. | |
x and y
inscribed angle
solution set
parallel
24. 1/an
distributive axiom
a?n
1
obtuse angle
25. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other
pythagorean theorem
solution set
isosceles triangle
vertical angles
26. What % of m is n
w<0 and x>y
diameter
(x/100)m= n
always positive or zero
27. A¹
y intercept
supplementary angles
a
properties of a rectangle
28. The whole equals
the sum of parts
all acute angles are equal and all obtuse angles are equal
approx square roots
x is less than y
29. V2/2- v2/2 - 1 (90-45-45)
equal to the sum of the measures of the remote exterior angles
the last digit is 0
1 - 3 - 5 - 7 - 9
isosceles triangle
30. x>z
commutative axiom of addition and multiplication
right triangle
x>y and y>z
sphere
31. 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)
acute angle
properties of a square
angle a and angle b = angle d
equals
32. 1/2d
x>y and w>z
it is also divisible by 2 and 3
radius of a circle
tangent
33. Volume= e(edge)³ surface area= 6e²
similar triangles
0 - 2 - 4 - 6 - 8
chord
cube
34. Sum of two even numbers is
commutative axiom of addition and multiplication
properties of a rhombus
n percent greater than x
even
35. 3(4+1)= 3 x 4 + 3 x 1
angle
even
distributive axiom
x-y/xy
36. Is the set of the second components of the ordered pairs
angle
equilateral triangle
range of a relation
a set
37. x/100
medians of a triangle
x percent
x + y
the last digit is either 0 or 5
38. ?
isosceles triangle
x is less than y
the square of x
22/7 or 3.14
39. ?if y angle< x angle - then
standard deviation
a side< b side
a<x<b
any variable
40. Any integer is divisible by 8 if
properties of parallelograms
chord
y-x
the last three numbers are divisible by 8
41. Is the relation with ALL ordered pairs REVERSED.
v2/2 or .71
a+b+d=c+d
inverse of a relation
equal
42. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
vertical angles
hemisphere
any variable
x>y and y>z
43. 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.
x%
hexagon
radius
percent
44. Any line that connects two points on a circle.
the last digit is either 0 or 5
inverse of a relation
chord
360 degrees
45. x younger than y
equilateral triangle
circle
x - y
trapezoid
46. 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.
odd
x percent
x>y>0 and w>z>0
medians of a triangle
47. 1. solve the equation or inequality 2. use ONLY the solutions which satisfy the condition required - the set of all x such that x is greater than or equal to 10 R= {x: x=10}
simultaneous equations in 2 unknowns
trapezoid
x + y
when finding a solution set
48. Wx<wy
w<0 and x>y
y-x
no solutions
acute angle
49. If two lines are perpendicular - the slope of one is the
x + y
negative reciprocal of the other
approx products
belongs to
50. The sum of the interior angles is
vertical angles
180 degrees
b+d>c+e
one solution