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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. One angle is equal 90° and the other two angles are equal to the sum of 90°
percent
right triangle
circle
angle a and angle b = angle d
2. R²
all acute angles are equal and all obtuse angles are equal
diameter of circle
x + y
equilateral triangle
3. A¹
a
Axioms
equal to the sum of the measures of the remote exterior angles
right triangle
4. Two tangents to a circle from the same point outside of the circle are always
the percent of decrease
equal
right triangle
never divide by zero
5. The product of x and y
xy
the square of x
x-y
approx square roots
6. When the elements of a set are ordered pairs
standard deviation
c x (john'S age)
relation
obtuse angle
7. Intersect at only one point - the point is the only solution to the pair of equations
perpendicular bisectors
consistent lines
properties of a square
set
8. y years ago
closed set
the sum of its digits is divisible by 9
-y
angle inscribed in semicircle
9. 1-v3- 2 (90-30-60)
n= mx/100
diameter of circle
similar triangles
right triangle
10. The increase from x to y
and
triangle or straight line
y-x
x-y
11. Any integer is divisible by 8 if
a
trapezoid
the last three numbers are divisible by 8
xy-xz
12. ?
isosceles triangle
implies
equal to the sum of the measures of the remote exterior angles
diagonal of a square
13. The product of an odd number of negative numbers is
opposite the greatest side
negative
regular polygon properties
x>y>0 and w>z>0
14. The measure of an interior angle is
equal to the sum of the measures of the remote exterior angles
inverse of a relation
expression of an even number
the sum of its digits is divisible by 3
15. 7-24-25
find the intersection of two sets
right triangle
angle inscribed in semicircle
if the last digit of the number is 0 -2 -4 -6 -8
16. Between 180° and 360°
(x-y/x)100
reflex angle
x>y and w>z
implies
17. Area= l x w perimeter = (2l)(2w)
v2/2 or .71
angle
chord
rectangle
18. xn<0 if n is odd and xn>0 if n is even
straight angle
right angle
right triangle
x<0
19. Sum of an odd and an even number is
relation
odd
xy< 0
1.4
20. A/A¹ = B/B¹= C/C¹
equal
perpendicular
v(x2-x1)²+ (y2-y1)²
similar triangles
21. 3(4+1)= 3 x 4 + 3 x 1
all acute angles are equal and all obtuse angles are equal
find the intersection of two sets
w>0 and x>y
distributive axiom
22. Less than 90°
3.16
acute angle
n= mx/100
itself
23. Set of solutions to an equation
the percent of decrease
solution set
square
parallelogram
24. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases
equilateral triangle
cylinder
y angle< x angle
determining if a number is prime
25. xw> yz
right triangle
1.4
null set
x>y>0 and w>z>0
26. 5+3= 3+5 and 5 x 3= 3 x 5
(x/100)m= n
approx products
commutative axiom of addition and multiplication
-y
27. 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
range of a relation
the third side
properties of parallelograms
a side< b side
28. A chord through the center of the circle
area of a triangle
square
diameter
it is also divisible by 2 and 3
29. If b²-4ac > 0 there are
two solutions
area of a triangle
n percent greater than x
odd
30. Area= 1/2bh perimeter= a+b+c
equal
angle bisector
the perpendicular distance
triangle
31. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
(y-x/x)100
angle bisector
the percent of decrease
hemisphere
32. 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.
a side< b side
the sum of its digits is divisible by 9
hexagon
no solutions
33. A°
if the last digit of the number is 0 -2 -4 -6 -8
Axioms
1
when finding a solution set
34. 180°
distributive axiom
x>y
triangle or straight line
polygon
35. Of
isosceles triangle
simultaneous equations
x²-2xy+y²
times
36. A subset of a set is
a set
inconsistent lines
right angle
any variable
37. x older than y
consistent lines
right triangle
x + y
equal
38. 1. determine a rough approximation of the square root of the number. 2. divide the number by all the primes that are less than the approx square root. If the number is not divisible by ANY of the these primes - then it is prime. If it IS divisible -
determining if a number is prime
1
radius of a circle
x percent
39. /100 (the ______ number over 100)
Axioms
the sum of parts
percent
x + y
40. Any integer is divisible by 5 if
equals
n= mx/100
all acute angles are equal and all obtuse angles are equal
the last digit is either 0 or 5
41. The point where the line crosses the x-axis - y will always = 0 in this case
x intercept
domain of a relation
isosceles triangle
diagonal of a square
42. 3-4-5
never divide by zero
right triangle
the percent of decrease
x is less than y
43. 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
right triangle
vertical angles
properties of a rectangle
no solutions
44. M?A = m?D m?B= m?E m?C=m?F and a/d=b/e=c/f
similar triangles
angle
equilateral triangle
x<0
45. All three sides and all three angles are equal
v2/2 or .71
1.4
right triangle
equilateral triangle
46. The whole equals
approx square roots
range of a relation
the sum of parts
consistent lines
47. 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.
n percent less than x
trapezoid
medians of a triangle
x²-y²
48. 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
percent
standard deviation
diameter of circle
range of a relation
49. | |
parallel
odd
acute angle
3.16
50. All even numbers end in the digits of
square
radius of a circle
0 - 2 - 4 - 6 - 8
simultaneous equations